featuretools.primitives.NumCharacters

class featuretools.primitives.NumCharacters

Calculates the number of characters in a string.

Examples

>>> num_characters = NumCharacters()
>>> num_characters(['This is a string',
...                 'second item',
...                 'final1']).tolist()
[16, 11, 6]
__init__()

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__()

Initialize self.

generate_name(base_feature_names)

get_args_string()

get_arguments()

get_filepath(filename)

get_function()

Attributes

allow_where

base_of

base_of_exclude

commutative

default_value

input_types

max_stack_depth

name

number_output_features

uses_calc_time

uses_full_entity