Deployment

Deployment of machine learning models requires repeating feature engineering steps on new data. In some cases, these steps need to be performed in near real-time. Featuretools has capabilities to ease the deployment of feature engineering.

Saving Features

First, let’s build some generate some training and test data in the same format. We use a random seed to generate different data for the test.

Note

Features saved in one version of Featuretools are not guaranteed to load in another. This means the features might need to be re-created after upgrading Featuretools.

In [1]: import featuretools as ft

In [2]: es_train = ft.demo.load_mock_customer(return_entityset=True)

In [3]: es_test = ft.demo.load_mock_customer(return_entityset=True, random_seed=33)

Now let’s build some features definitions using DFS. Because we have categorical features, we also encode them with one hot encoding based on the values in the training data.

In [4]: feature_matrix, feature_defs = ft.dfs(entityset=es_train,
   ...:                                       target_entity="customers")
   ...: 

In [5]: feature_matrix_enc, features_enc = ft.encode_features(feature_matrix, feature_defs)

In [6]: feature_matrix_enc
Out[6]: 
             zip_code = 60091  zip_code = 13244  zip_code is unknown  COUNT(sessions)  NUM_UNIQUE(sessions.device)  MODE(sessions.device) = mobile  MODE(sessions.device) = desktop  MODE(sessions.device) is unknown  SUM(transactions.amount)  STD(transactions.amount)  MAX(transactions.amount)  SKEW(transactions.amount)  MIN(transactions.amount)  MEAN(transactions.amount)  COUNT(transactions)  NUM_UNIQUE(transactions.product_id)  MODE(transactions.product_id) = 4  MODE(transactions.product_id) = 5  MODE(transactions.product_id) = 2  MODE(transactions.product_id) = 1  MODE(transactions.product_id) is unknown  DAY(date_of_birth) = 18  DAY(date_of_birth) = 28  DAY(date_of_birth) = 21  DAY(date_of_birth) = 15  DAY(date_of_birth) is unknown  DAY(join_date) = 17  DAY(join_date) = 15  DAY(join_date) = 13  DAY(join_date) = 8  DAY(join_date) is unknown  YEAR(date_of_birth) = 2006  YEAR(date_of_birth) = 2003  YEAR(date_of_birth) = 1994  YEAR(date_of_birth) = 1986  YEAR(date_of_birth) = 1984  YEAR(date_of_birth) is unknown  YEAR(join_date) = 2011  YEAR(join_date) = 2012  YEAR(join_date) = 2010  YEAR(join_date) is unknown  MONTH(date_of_birth) = 8  MONTH(date_of_birth) = 7  MONTH(date_of_birth) = 11  MONTH(date_of_birth) is unknown  MONTH(join_date) = 4  MONTH(join_date) = 8  MONTH(join_date) = 7  MONTH(join_date) is unknown  WEEKDAY(date_of_birth) = 0  WEEKDAY(date_of_birth) = 5  WEEKDAY(date_of_birth) = 4  WEEKDAY(date_of_birth) = 1  WEEKDAY(date_of_birth) is unknown  WEEKDAY(join_date) = 6  WEEKDAY(join_date) = 5  WEEKDAY(join_date) = 4  WEEKDAY(join_date) is unknown  SUM(sessions.MEAN(transactions.amount))  SUM(sessions.MAX(transactions.amount))  SUM(sessions.SKEW(transactions.amount))  SUM(sessions.NUM_UNIQUE(transactions.product_id))  SUM(sessions.MIN(transactions.amount))  SUM(sessions.STD(transactions.amount))  STD(sessions.SUM(transactions.amount))  STD(sessions.MEAN(transactions.amount))  STD(sessions.COUNT(transactions))  STD(sessions.MAX(transactions.amount))  STD(sessions.SKEW(transactions.amount))  STD(sessions.NUM_UNIQUE(transactions.product_id))  STD(sessions.MIN(transactions.amount))  MAX(sessions.SUM(transactions.amount))  MAX(sessions.MEAN(transactions.amount))  MAX(sessions.COUNT(transactions))  MAX(sessions.SKEW(transactions.amount))  MAX(sessions.NUM_UNIQUE(transactions.product_id))  MAX(sessions.MIN(transactions.amount))  MAX(sessions.STD(transactions.amount))  SKEW(sessions.SUM(transactions.amount))  SKEW(sessions.MEAN(transactions.amount))  SKEW(sessions.COUNT(transactions))  SKEW(sessions.MAX(transactions.amount))  SKEW(sessions.NUM_UNIQUE(transactions.product_id))  SKEW(sessions.MIN(transactions.amount))  SKEW(sessions.STD(transactions.amount))  MIN(sessions.SUM(transactions.amount))  MIN(sessions.MEAN(transactions.amount))  MIN(sessions.COUNT(transactions))  MIN(sessions.MAX(transactions.amount))  MIN(sessions.SKEW(transactions.amount))  MIN(sessions.NUM_UNIQUE(transactions.product_id))  MIN(sessions.STD(transactions.amount))  MEAN(sessions.SUM(transactions.amount))  MEAN(sessions.MEAN(transactions.amount))  MEAN(sessions.COUNT(transactions))  MEAN(sessions.MAX(transactions.amount))  MEAN(sessions.SKEW(transactions.amount))  MEAN(sessions.NUM_UNIQUE(transactions.product_id))  MEAN(sessions.MIN(transactions.amount))  MEAN(sessions.STD(transactions.amount))  NUM_UNIQUE(sessions.MONTH(session_start))  NUM_UNIQUE(sessions.WEEKDAY(session_start))  NUM_UNIQUE(sessions.YEAR(session_start))  NUM_UNIQUE(sessions.MODE(transactions.product_id))  NUM_UNIQUE(sessions.DAY(session_start))  MODE(sessions.MONTH(session_start)) = 1  MODE(sessions.MONTH(session_start)) is unknown  MODE(sessions.WEEKDAY(session_start)) = 2  MODE(sessions.WEEKDAY(session_start)) is unknown  MODE(sessions.YEAR(session_start)) = 2014  MODE(sessions.YEAR(session_start)) is unknown  MODE(sessions.MODE(transactions.product_id)) = 3  MODE(sessions.MODE(transactions.product_id)) = 1  MODE(sessions.MODE(transactions.product_id)) = 4  MODE(sessions.MODE(transactions.product_id)) is unknown  MODE(sessions.DAY(session_start)) = 1  MODE(sessions.DAY(session_start)) is unknown  NUM_UNIQUE(transactions.sessions.customer_id)  NUM_UNIQUE(transactions.sessions.device)  MODE(transactions.sessions.customer_id) = 5  MODE(transactions.sessions.customer_id) = 4  MODE(transactions.sessions.customer_id) = 3  MODE(transactions.sessions.customer_id) = 2  MODE(transactions.sessions.customer_id) = 1  MODE(transactions.sessions.customer_id) is unknown  MODE(transactions.sessions.device) = mobile  MODE(transactions.sessions.device) = desktop  MODE(transactions.sessions.device) is unknown
customer_id                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
5                           1                 0                    0                6                            3                               1                                0                                 0                   6349.66                 44.095630                    149.02                  -0.025941                      7.55                  80.375443                   79                                    5                                  0                                  1                                  0                                  0                                         0                        0                        1                        0                        0                              0                    1                    0                    0                   0                          0                           0                           0                           0                           0                           1                               0                       0                       0                       1                           0                         0                         1                          0                                0                     0                     0                     1                            0                           0                           1                           0                           0                                  0                       0                       1                       0                              0                               472.231119                                  839.76                                 0.014384                                                 30                                   86.49                              259.873954                              402.775486                                11.007471                           3.600926                                7.928001                                 0.415426                                           0.000000                                4.961414                                 1700.67                                94.481667                                 18                                 0.602209                                                  5                                   20.65                               51.149250                                 0.472342                                  0.335175                           -0.317685                                -0.333796                                           0.000000                                 -0.470410                                 0.204548                                  543.18                                66.666667                                  8                                  128.51                                -0.539060                                                  5                               36.734681                              1058.276667                                 78.705187                           13.166667                               139.960000                                  0.002397                                           5.000000                                 14.415000                                43.312326                                          1                                            1                                         1                                                  5                                         1                                        1                                               0                                          1                                                 0                                          1                                              0                                                 1                                                 0                                                 0                                                  0                                            1                                             0                                              1                                         3                                            1                                            0                                            0                                            0                                            0                                                  0                                             1                                             0                                              0
4                           1                 0                    0                8                            3                               1                                0                                 0                   8727.68                 45.068765                    149.95                  -0.036348                      5.73                  80.070459                  109                                    5                                  0                                  0                                  1                                  0                                         0                        0                        0                        0                        1                              0                    0                    0                    0                   1                          0                           1                           0                           0                           0                           0                               0                       1                       0                       0                           0                         1                         0                          0                                0                     1                     0                     0                            0                           0                           0                           0                           1                                  0                       0                       0                       1                              0                               649.657515                                 1157.99                                 0.002764                                                 37                                  131.51                              356.125829                              235.992478                                13.027258                           3.335416                                3.514421                                 0.387884                                           0.517549                               16.960575                                 1351.46                               110.450000                                 18                                 0.382868                                                  5                                   54.83                               54.293903                                -0.391805                                  1.980948                            0.282488                                 0.027256                                          -0.644061                                  2.103510                                -1.065663                                  771.68                                70.638182                                 10                                  139.20                                -0.711744                                                  4                               29.026424                              1090.960000                                 81.207189                           13.625000                               144.748750                                  0.000346                                           4.625000                                 16.438750                                44.515729                                          1                                            1                                         1                                                  5                                         1                                        1                                               0                                          1                                                 0                                          1                                              0                                                 0                                                 1                                                 0                                                  0                                            1                                             0                                              1                                         3                                            0                                            1                                            0                                            0                                            0                                                  0                                             1                                             0                                              0
1                           1                 0                    0                8                            3                               1                                0                                 0                   9025.62                 40.442059                    139.43                   0.019698                      5.81                  71.631905                  126                                    5                                  1                                  0                                  0                                  0                                         0                        1                        0                        0                        0                              0                    1                    0                    0                   0                          0                           0                           0                           1                           0                           0                               0                       1                       0                       0                           0                         0                         1                          0                                0                     1                     0                     0                            0                           1                           0                           0                           0                                  0                       1                       0                       0                              0                               582.193117                                 1057.97                                -0.476122                                                 40                                   78.59                              312.745952                              279.510713                                13.759314                           4.062019                                7.322191                                 0.589386                                           0.000000                                6.954507                                 1613.93                                88.755625                                 25                                 0.640252                                                  5                                   26.36                               46.905665                                 0.778170                                 -0.424949                            1.946018                                -0.780493                                           0.000000                                  2.440005                                -0.312355                                  809.97                                50.623125                                 12                                  118.90                                -1.038434                                                  5                               30.450261                              1128.202500                                 72.774140                           15.750000                               132.246250                                 -0.059515                                           5.000000                                  9.823750                                39.093244                                          1                                            1                                         1                                                  4                                         1                                        1                                               0                                          1                                                 0                                          1                                              0                                                 0                                                 0                                                 1                                                  0                                            1                                             0                                              1                                         3                                            0                                            0                                            0                                            0                                            1                                                  0                                             1                                             0                                              0
3                           0                 1                    0                6                            3                               0                                1                                 0                   6236.62                 43.683296                    149.15                   0.418230                      5.89                  67.060430                   93                                    5                                  0                                  0                                  0                                  1                                         0                        0                        0                        1                        0                              0                    0                    0                    1                   0                          0                           0                           1                           0                           0                           0                               0                       1                       0                       0                           0                         0                         0                          1                                0                     0                     1                     0                            0                           0                           0                           1                           0                                  0                       0                       1                       0                              0                               405.237462                                  847.63                                 2.286086                                                 29                                   66.21                              257.299895                              219.021420                                11.174282                           2.428992                               10.724241                                 0.429374                                           0.408248                                5.424407                                 1477.97                                82.109444                                 18                                 0.854976                                                  5                                   20.06                               50.110120                                 2.246479                                  0.678544                           -1.507217                                -0.941078                                          -2.449490                                  1.000771                                -0.245703                                  889.21                                55.579412                                 11                                  126.74                                -0.289466                                                  4                               35.704680                              1039.436667                                 67.539577                           15.500000                               141.271667                                  0.381014                                           4.833333                                 11.035000                                42.883316                                          1                                            1                                         1                                                  4                                         1                                        1                                               0                                          1                                                 0                                          1                                              0                                                 0                                                 1                                                 0                                                  0                                            1                                             0                                              1                                         3                                            0                                            0                                            1                                            0                                            0                                                  0                                             0                                             1                                              0
2                           0                 1                    0                7                            3                               0                                1                                 0                   7200.28                 37.705178                    146.81                   0.098259                      8.73                  77.422366                   93                                    5                                  1                                  0                                  0                                  0                                         0                        1                        0                        0                        0                              0                    0                    1                    0                   0                          0                           0                           0                           0                           1                           0                               0                       0                       1                       0                           0                         1                         0                          0                                0                     1                     0                     0                            0                           1                           0                           0                           0                                  0                       1                       0                       0                              0                               548.905851                                  931.63                                -0.277640                                                 35                                  154.60                              258.700528                              251.609234                                11.477071                           3.450328                               17.221593                                 0.509798                                           0.000000                               15.874374                                 1320.64                                96.581000                                 18                                 0.755711                                                  5                                   56.46                               47.935920                                -0.440929                                  0.235296                           -0.303276                                -1.539467                                           0.000000                                  2.154929                                 0.013087                                  634.84                                61.910000                                  8                                  100.04                                -0.763603                                                  5                               27.839228                              1028.611429                                 78.415122                           13.285714                               133.090000                                 -0.039663                                           5.000000                                 22.085714                                36.957218                                          1                                            1                                         1                                                  4                                         1                                        1                                               0                                          1                                                 0                                          1                                              0                                                 1                                                 0                                                 0                                                  0                                            1                                             0                                              1                                         3                                            0                                            0                                            0                                            1                                            0                                                  0                                             0                                             1                                              0

Now, we can use featuretools.save_features() to save a list features to a json file

In [7]: ft.save_features(features_enc, "feature_definitions.json")

Calculating Feature Matrix for New Data

We can use featuretools.load_features() to read in a list of saved features to calculate for our new entity set.

In [8]: saved_features = ft.load_features('feature_definitions.json')

After we load the features back in, we can calculate the feature matrix.

In [9]: feature_matrix = ft.calculate_feature_matrix(saved_features, es_test)

In [10]: feature_matrix
Out[10]: 
             zip_code = 60091  zip_code = 13244  zip_code is unknown  COUNT(sessions)  NUM_UNIQUE(sessions.device)  MODE(sessions.device) = mobile  MODE(sessions.device) = desktop  MODE(sessions.device) is unknown  SUM(transactions.amount)  STD(transactions.amount)  MAX(transactions.amount)  SKEW(transactions.amount)  MIN(transactions.amount)  MEAN(transactions.amount)  COUNT(transactions)  NUM_UNIQUE(transactions.product_id)  MODE(transactions.product_id) = 4  MODE(transactions.product_id) = 5  MODE(transactions.product_id) = 2  MODE(transactions.product_id) = 1  MODE(transactions.product_id) is unknown  DAY(date_of_birth) = 18  DAY(date_of_birth) = 28  DAY(date_of_birth) = 21  DAY(date_of_birth) = 15  DAY(date_of_birth) is unknown  DAY(join_date) = 17  DAY(join_date) = 15  DAY(join_date) = 13  DAY(join_date) = 8  DAY(join_date) is unknown  YEAR(date_of_birth) = 2006  YEAR(date_of_birth) = 2003  YEAR(date_of_birth) = 1994  YEAR(date_of_birth) = 1986  YEAR(date_of_birth) = 1984  YEAR(date_of_birth) is unknown  YEAR(join_date) = 2011  YEAR(join_date) = 2012  YEAR(join_date) = 2010  YEAR(join_date) is unknown  MONTH(date_of_birth) = 8  MONTH(date_of_birth) = 7  MONTH(date_of_birth) = 11  MONTH(date_of_birth) is unknown  MONTH(join_date) = 4  MONTH(join_date) = 8  MONTH(join_date) = 7  MONTH(join_date) is unknown  WEEKDAY(date_of_birth) = 0  WEEKDAY(date_of_birth) = 5  WEEKDAY(date_of_birth) = 4  WEEKDAY(date_of_birth) = 1  WEEKDAY(date_of_birth) is unknown  WEEKDAY(join_date) = 6  WEEKDAY(join_date) = 5  WEEKDAY(join_date) = 4  WEEKDAY(join_date) is unknown  SUM(sessions.MEAN(transactions.amount))  SUM(sessions.MAX(transactions.amount))  SUM(sessions.SKEW(transactions.amount))  SUM(sessions.NUM_UNIQUE(transactions.product_id))  SUM(sessions.MIN(transactions.amount))  SUM(sessions.STD(transactions.amount))  STD(sessions.SUM(transactions.amount))  STD(sessions.MEAN(transactions.amount))  STD(sessions.COUNT(transactions))  STD(sessions.MAX(transactions.amount))  STD(sessions.SKEW(transactions.amount))  STD(sessions.NUM_UNIQUE(transactions.product_id))  STD(sessions.MIN(transactions.amount))  MAX(sessions.SUM(transactions.amount))  MAX(sessions.MEAN(transactions.amount))  MAX(sessions.COUNT(transactions))  MAX(sessions.SKEW(transactions.amount))  MAX(sessions.NUM_UNIQUE(transactions.product_id))  MAX(sessions.MIN(transactions.amount))  MAX(sessions.STD(transactions.amount))  SKEW(sessions.SUM(transactions.amount))  SKEW(sessions.MEAN(transactions.amount))  SKEW(sessions.COUNT(transactions))  SKEW(sessions.MAX(transactions.amount))  SKEW(sessions.NUM_UNIQUE(transactions.product_id))  SKEW(sessions.MIN(transactions.amount))  SKEW(sessions.STD(transactions.amount))  MIN(sessions.SUM(transactions.amount))  MIN(sessions.MEAN(transactions.amount))  MIN(sessions.COUNT(transactions))  MIN(sessions.MAX(transactions.amount))  MIN(sessions.SKEW(transactions.amount))  MIN(sessions.NUM_UNIQUE(transactions.product_id))  MIN(sessions.STD(transactions.amount))  MEAN(sessions.SUM(transactions.amount))  MEAN(sessions.MEAN(transactions.amount))  MEAN(sessions.COUNT(transactions))  MEAN(sessions.MAX(transactions.amount))  MEAN(sessions.SKEW(transactions.amount))  MEAN(sessions.NUM_UNIQUE(transactions.product_id))  MEAN(sessions.MIN(transactions.amount))  MEAN(sessions.STD(transactions.amount))  NUM_UNIQUE(sessions.MONTH(session_start))  NUM_UNIQUE(sessions.WEEKDAY(session_start))  NUM_UNIQUE(sessions.YEAR(session_start))  NUM_UNIQUE(sessions.MODE(transactions.product_id))  NUM_UNIQUE(sessions.DAY(session_start))  MODE(sessions.MONTH(session_start)) = 1  MODE(sessions.MONTH(session_start)) is unknown  MODE(sessions.WEEKDAY(session_start)) = 2  MODE(sessions.WEEKDAY(session_start)) is unknown  MODE(sessions.YEAR(session_start)) = 2014  MODE(sessions.YEAR(session_start)) is unknown  MODE(sessions.MODE(transactions.product_id)) = 3  MODE(sessions.MODE(transactions.product_id)) = 1  MODE(sessions.MODE(transactions.product_id)) = 4  MODE(sessions.MODE(transactions.product_id)) is unknown  MODE(sessions.DAY(session_start)) = 1  MODE(sessions.DAY(session_start)) is unknown  NUM_UNIQUE(transactions.sessions.customer_id)  NUM_UNIQUE(transactions.sessions.device)  MODE(transactions.sessions.customer_id) = 5  MODE(transactions.sessions.customer_id) = 4  MODE(transactions.sessions.customer_id) = 3  MODE(transactions.sessions.customer_id) = 2  MODE(transactions.sessions.customer_id) = 1  MODE(transactions.sessions.customer_id) is unknown  MODE(transactions.sessions.device) = mobile  MODE(transactions.sessions.device) = desktop  MODE(transactions.sessions.device) is unknown
customer_id                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
1                        True             False                False                6                            3                           False                             True                             False                   5776.41                 41.998795                    147.64                  -0.173042                      6.47                  79.128904                   73                                    5                               True                              False                              False                              False                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                    True                   False                   False                          False                               524.919674                                  834.08                                -1.546156                                                 25                                  198.92                              217.064024                              327.331994                                25.801702                           5.741661                               11.742343                                 0.326628                                           1.329160                               45.471977                                 1418.99                               136.672500                                 19                                 0.164928                                                  5                                  124.58                               51.192518                                 0.130163                                  1.796000                           -0.243198                                -1.165955                                          -1.206607                                  2.290693                                -1.336611                                  546.69                                64.238824                                  4                                  119.86                                -0.614442                                                  2                                9.176046                               962.735000                                 87.486612                           12.166667                               139.013333                                 -0.257693                                           4.166667                                 33.153333                                36.177337                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                             False                                              True                                              False                                         True                                         False                                              1                                         3                                        False                                        False                                        False                                        False                                         True                                              False                                          True                                         False                                          False
4                       False              True                False                9                            3                           False                             True                             False                  10178.43                 36.523849                    147.55                  -0.179621                      6.19                  80.781190                  126                                    5                              False                              False                              False                              False                                      True                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                       True                            False                 False                 False                  True                        False                       False                       False                        True                       False                              False                   False                   False                    True                          False                               733.862898                                 1180.90                                -1.797214                                                 43                                  193.08                              319.497611                              333.923377                                11.875823                           4.272002                               11.457114                                 0.324894                                           0.440959                               17.851716                                 1650.65                               104.565000                                 21                                 0.417250                                                  5                                   60.29                               41.627134                                -0.385392                                  1.078619                           -0.086578                                 0.230847                                          -1.619848                                  1.490781                                -1.743267                                  557.32                                69.665000                                  8                                  118.59                                -0.624344                                                  4                               22.026552                              1130.936667                                 81.540322                           14.000000                               131.211111                                 -0.199690                                           4.777778                                 21.453333                                35.499735                                          1                                            1                                         1                                                  5                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                        False                                         True                                        False                                        False                                        False                                              False                                         False                                          True                                          False
3                        True             False                False                5                            2                            True                            False                             False                   5258.95                 42.416322                    148.09                  -0.081427                     10.66                  82.171094                   64                                    5                              False                               True                              False                              False                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                        True                       False                       False                       False                       False                           False                   False                   False                    True                       False                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                   False                    True                   False                          False                               407.390549                                  715.80                                 0.353061                                                 23                                  108.69                              215.417211                              450.318768                                10.012657                           4.868265                                5.596950                                 0.530094                                           0.547723                               10.829338                                 1691.27                                92.004000                                 19                                 0.785376                                                  5                                   38.69                               46.402508                                 0.727969                                 -0.730554                            0.570300                                -1.598919                                          -0.608581                                  1.010658                                -0.627238                                  653.11                                66.563000                                  8                                  133.75                                -0.608419                                                  4                               37.945636                              1051.790000                                 81.478110                           12.800000                               143.160000                                  0.070612                                           4.600000                                 21.738000                                43.083442                                          1                                            1                                         1                                                  2                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         2                                        False                                        False                                         True                                        False                                        False                                              False                                          True                                         False                                          False
2                       False              True                False                8                            3                           False                             True                             False                   9877.67                 39.913352                    148.34                   0.040395                      8.00                  76.571085                  129                                    5                              False                              False                              False                               True                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                    True                       False                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                    True                   False                   False                          False                               615.714934                                 1100.82                                -0.082021                                                 39                                  136.01                              315.817331                              346.152626                                10.757169                           4.086126                                9.491736                                 0.305345                                           0.353553                               10.517928                                 1690.97                                87.669412                                 21                                 0.454842                                                  5                                   40.88                               43.950396                                -0.576079                                 -2.048650                           -1.158217                                -0.964539                                          -2.828427                                  1.981423                                -0.403715                                  619.93                                52.288421                                  8                                  120.06                                -0.522578                                                  4                               33.618728                              1234.708750                                 76.964367                           16.125000                               137.602500                                 -0.010253                                           4.875000                                 17.001250                                39.477166                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                        False                                        False                                        False                                         True                                        False                                              False                                         False                                          True                                          False
5                        True             False                False                7                            3                           False                             True                             False                   9018.74                 37.514054                    149.53                  -0.107234                      6.35                  83.506852                  108                                    5                              False                              False                              False                              False                                      True                    False                     True                    False                    False                          False                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                        True                              False                   False                   False                    True                          False                               584.302915                                  997.48                                -0.595128                                                 33                                  137.50                              261.535265                              263.424967                                 7.689676                           2.699206                                5.679896                                 0.440504                                           0.487950                               10.431664                                 1705.25                                95.488000                                 19                                 0.538086                                                  5                                   34.93                               44.978308                                 0.215180                                  0.246613                           -0.566615                                -0.308063                                          -1.229634                                  0.013052                                -0.405840                                  921.73                                73.576471                                 11                                  133.41                                -0.618136                                                  4                               26.724118                              1288.391429                                 83.471845                           15.428571                               142.497143                                 -0.085018                                           4.714286                                 19.642857                                37.362181                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                         True                                        False                                        False                                        False                                        False                                              False                                         False                                          True                                          False

As you can see above, we have the exact same features as before, but calculated using the test data.

Exporting Feature Matrix

Save as csv

The feature matrix is a pandas dataframe that we can save to disk

In [11]: feature_matrix.to_csv("feature_matrix.csv")

We can also read it back in as follows:

In [12]: saved_fm = pd.read_csv("feature_matrix.csv", index_col="customer_id")

In [13]: saved_fm
Out[13]: 
             zip_code = 60091  zip_code = 13244  zip_code is unknown  COUNT(sessions)  NUM_UNIQUE(sessions.device)  MODE(sessions.device) = mobile  MODE(sessions.device) = desktop  MODE(sessions.device) is unknown  SUM(transactions.amount)  STD(transactions.amount)  MAX(transactions.amount)  SKEW(transactions.amount)  MIN(transactions.amount)  MEAN(transactions.amount)  COUNT(transactions)  NUM_UNIQUE(transactions.product_id)  MODE(transactions.product_id) = 4  MODE(transactions.product_id) = 5  MODE(transactions.product_id) = 2  MODE(transactions.product_id) = 1  MODE(transactions.product_id) is unknown  DAY(date_of_birth) = 18  DAY(date_of_birth) = 28  DAY(date_of_birth) = 21  DAY(date_of_birth) = 15  DAY(date_of_birth) is unknown  DAY(join_date) = 17  DAY(join_date) = 15  DAY(join_date) = 13  DAY(join_date) = 8  DAY(join_date) is unknown  YEAR(date_of_birth) = 2006  YEAR(date_of_birth) = 2003  YEAR(date_of_birth) = 1994  YEAR(date_of_birth) = 1986  YEAR(date_of_birth) = 1984  YEAR(date_of_birth) is unknown  YEAR(join_date) = 2011  YEAR(join_date) = 2012  YEAR(join_date) = 2010  YEAR(join_date) is unknown  MONTH(date_of_birth) = 8  MONTH(date_of_birth) = 7  MONTH(date_of_birth) = 11  MONTH(date_of_birth) is unknown  MONTH(join_date) = 4  MONTH(join_date) = 8  MONTH(join_date) = 7  MONTH(join_date) is unknown  WEEKDAY(date_of_birth) = 0  WEEKDAY(date_of_birth) = 5  WEEKDAY(date_of_birth) = 4  WEEKDAY(date_of_birth) = 1  WEEKDAY(date_of_birth) is unknown  WEEKDAY(join_date) = 6  WEEKDAY(join_date) = 5  WEEKDAY(join_date) = 4  WEEKDAY(join_date) is unknown  SUM(sessions.MEAN(transactions.amount))  SUM(sessions.MAX(transactions.amount))  SUM(sessions.SKEW(transactions.amount))  SUM(sessions.NUM_UNIQUE(transactions.product_id))  SUM(sessions.MIN(transactions.amount))  SUM(sessions.STD(transactions.amount))  STD(sessions.SUM(transactions.amount))  STD(sessions.MEAN(transactions.amount))  STD(sessions.COUNT(transactions))  STD(sessions.MAX(transactions.amount))  STD(sessions.SKEW(transactions.amount))  STD(sessions.NUM_UNIQUE(transactions.product_id))  STD(sessions.MIN(transactions.amount))  MAX(sessions.SUM(transactions.amount))  MAX(sessions.MEAN(transactions.amount))  MAX(sessions.COUNT(transactions))  MAX(sessions.SKEW(transactions.amount))  MAX(sessions.NUM_UNIQUE(transactions.product_id))  MAX(sessions.MIN(transactions.amount))  MAX(sessions.STD(transactions.amount))  SKEW(sessions.SUM(transactions.amount))  SKEW(sessions.MEAN(transactions.amount))  SKEW(sessions.COUNT(transactions))  SKEW(sessions.MAX(transactions.amount))  SKEW(sessions.NUM_UNIQUE(transactions.product_id))  SKEW(sessions.MIN(transactions.amount))  SKEW(sessions.STD(transactions.amount))  MIN(sessions.SUM(transactions.amount))  MIN(sessions.MEAN(transactions.amount))  MIN(sessions.COUNT(transactions))  MIN(sessions.MAX(transactions.amount))  MIN(sessions.SKEW(transactions.amount))  MIN(sessions.NUM_UNIQUE(transactions.product_id))  MIN(sessions.STD(transactions.amount))  MEAN(sessions.SUM(transactions.amount))  MEAN(sessions.MEAN(transactions.amount))  MEAN(sessions.COUNT(transactions))  MEAN(sessions.MAX(transactions.amount))  MEAN(sessions.SKEW(transactions.amount))  MEAN(sessions.NUM_UNIQUE(transactions.product_id))  MEAN(sessions.MIN(transactions.amount))  MEAN(sessions.STD(transactions.amount))  NUM_UNIQUE(sessions.MONTH(session_start))  NUM_UNIQUE(sessions.WEEKDAY(session_start))  NUM_UNIQUE(sessions.YEAR(session_start))  NUM_UNIQUE(sessions.MODE(transactions.product_id))  NUM_UNIQUE(sessions.DAY(session_start))  MODE(sessions.MONTH(session_start)) = 1  MODE(sessions.MONTH(session_start)) is unknown  MODE(sessions.WEEKDAY(session_start)) = 2  MODE(sessions.WEEKDAY(session_start)) is unknown  MODE(sessions.YEAR(session_start)) = 2014  MODE(sessions.YEAR(session_start)) is unknown  MODE(sessions.MODE(transactions.product_id)) = 3  MODE(sessions.MODE(transactions.product_id)) = 1  MODE(sessions.MODE(transactions.product_id)) = 4  MODE(sessions.MODE(transactions.product_id)) is unknown  MODE(sessions.DAY(session_start)) = 1  MODE(sessions.DAY(session_start)) is unknown  NUM_UNIQUE(transactions.sessions.customer_id)  NUM_UNIQUE(transactions.sessions.device)  MODE(transactions.sessions.customer_id) = 5  MODE(transactions.sessions.customer_id) = 4  MODE(transactions.sessions.customer_id) = 3  MODE(transactions.sessions.customer_id) = 2  MODE(transactions.sessions.customer_id) = 1  MODE(transactions.sessions.customer_id) is unknown  MODE(transactions.sessions.device) = mobile  MODE(transactions.sessions.device) = desktop  MODE(transactions.sessions.device) is unknown
customer_id                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
1                        True             False                False                6                            3                           False                             True                             False                   5776.41                 41.998795                    147.64                  -0.173042                      6.47                  79.128904                   73                                    5                               True                              False                              False                              False                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                    True                   False                   False                          False                               524.919674                                  834.08                                -1.546156                                                 25                                  198.92                              217.064024                              327.331994                                25.801702                           5.741661                               11.742343                                 0.326628                                           1.329160                               45.471977                                 1418.99                               136.672500                                 19                                 0.164928                                                  5                                  124.58                               51.192518                                 0.130163                                  1.796000                           -0.243198                                -1.165955                                          -1.206607                                  2.290693                                -1.336611                                  546.69                                64.238824                                  4                                  119.86                                -0.614442                                                  2                                9.176046                               962.735000                                 87.486612                           12.166667                               139.013333                                 -0.257693                                           4.166667                                 33.153333                                36.177337                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                             False                                              True                                              False                                         True                                         False                                              1                                         3                                        False                                        False                                        False                                        False                                         True                                              False                                          True                                         False                                          False
4                       False              True                False                9                            3                           False                             True                             False                  10178.43                 36.523849                    147.55                  -0.179621                      6.19                  80.781190                  126                                    5                              False                              False                              False                              False                                      True                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                       True                            False                 False                 False                  True                        False                       False                       False                        True                       False                              False                   False                   False                    True                          False                               733.862898                                 1180.90                                -1.797214                                                 43                                  193.08                              319.497611                              333.923377                                11.875823                           4.272002                               11.457114                                 0.324894                                           0.440959                               17.851716                                 1650.65                               104.565000                                 21                                 0.417250                                                  5                                   60.29                               41.627134                                -0.385392                                  1.078619                           -0.086578                                 0.230847                                          -1.619848                                  1.490781                                -1.743267                                  557.32                                69.665000                                  8                                  118.59                                -0.624344                                                  4                               22.026552                              1130.936667                                 81.540322                           14.000000                               131.211111                                 -0.199690                                           4.777778                                 21.453333                                35.499735                                          1                                            1                                         1                                                  5                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                        False                                         True                                        False                                        False                                        False                                              False                                         False                                          True                                          False
3                        True             False                False                5                            2                            True                            False                             False                   5258.95                 42.416322                    148.09                  -0.081427                     10.66                  82.171094                   64                                    5                              False                               True                              False                              False                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                        True                       False                       False                       False                       False                           False                   False                   False                    True                       False                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                   False                    True                   False                          False                               407.390549                                  715.80                                 0.353061                                                 23                                  108.69                              215.417211                              450.318768                                10.012657                           4.868265                                5.596950                                 0.530094                                           0.547723                               10.829338                                 1691.27                                92.004000                                 19                                 0.785376                                                  5                                   38.69                               46.402508                                 0.727969                                 -0.730554                            0.570300                                -1.598919                                          -0.608581                                  1.010658                                -0.627238                                  653.11                                66.563000                                  8                                  133.75                                -0.608419                                                  4                               37.945636                              1051.790000                                 81.478110                           12.800000                               143.160000                                  0.070612                                           4.600000                                 21.738000                                43.083442                                          1                                            1                                         1                                                  2                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         2                                        False                                        False                                         True                                        False                                        False                                              False                                          True                                         False                                          False
2                       False              True                False                8                            3                           False                             True                             False                   9877.67                 39.913352                    148.34                   0.040395                      8.00                  76.571085                  129                                    5                              False                              False                              False                               True                                     False                    False                    False                    False                    False                           True                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                    True                       False                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                       False                               True                    True                   False                   False                          False                               615.714934                                 1100.82                                -0.082021                                                 39                                  136.01                              315.817331                              346.152626                                10.757169                           4.086126                                9.491736                                 0.305345                                           0.353553                               10.517928                                 1690.97                                87.669412                                 21                                 0.454842                                                  5                                   40.88                               43.950396                                -0.576079                                 -2.048650                           -1.158217                                -0.964539                                          -2.828427                                  1.981423                                -0.403715                                  619.93                                52.288421                                  8                                  120.06                                -0.522578                                                  4                               33.618728                              1234.708750                                 76.964367                           16.125000                               137.602500                                 -0.010253                                           4.875000                                 17.001250                                39.477166                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                        False                                        False                                        False                                         True                                        False                                              False                                         False                                          True                                          False
5                        True             False                False                7                            3                           False                             True                             False                   9018.74                 37.514054                    149.53                  -0.107234                      6.35                  83.506852                  108                                    5                              False                              False                              False                              False                                      True                    False                     True                    False                    False                          False                False                False                False               False                       True                       False                       False                       False                       False                       False                            True                   False                   False                   False                        True                     False                     False                      False                             True                 False                 False                 False                         True                       False                       False                       False                        True                              False                   False                   False                    True                          False                               584.302915                                  997.48                                -0.595128                                                 33                                  137.50                              261.535265                              263.424967                                 7.689676                           2.699206                                5.679896                                 0.440504                                           0.487950                               10.431664                                 1705.25                                95.488000                                 19                                 0.538086                                                  5                                   34.93                               44.978308                                 0.215180                                  0.246613                           -0.566615                                -0.308063                                          -1.229634                                  0.013052                                -0.405840                                  921.73                                73.576471                                 11                                  133.41                                -0.618136                                                  4                               26.724118                              1288.391429                                 83.471845                           15.428571                               142.497143                                 -0.085018                                           4.714286                                 19.642857                                37.362181                                          1                                            1                                         1                                                  4                                         1                                     True                                           False                                       True                                             False                                       True                                          False                                             False                                              True                                             False                                              False                                         True                                         False                                              1                                         3                                         True                                        False                                        False                                        False                                        False                                              False                                         False                                          True                                          False