featuretools.primitives.NumUnique

class featuretools.primitives.NumUnique

Determines the number of distinct values, ignoring NaN values.

Examples

>>> num_unique = NumUnique()
>>> num_unique(['red', 'blue', 'green', 'yellow'])
4

NaN values will be ignored.

>>> num_unique(['red', 'blue', 'green', 'yellow', None])
4
__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

base_of

base_of_exclude

commutative

default_value

input_types

max_stack_depth

name

number_output_features

stack_on

stack_on_exclude

stack_on_self

uses_calc_time