featuretools.primitives.NumCharacters

class featuretools.primitives.NumCharacters[source]

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__()

Methods

__init__()

generate_name(base_feature_names)

generate_names(base_feature_names)

get_args_string()

get_arguments()

get_description(input_column_descriptions[, ...])

get_filepath(filename)

get_function()

Attributes

base_of

base_of_exclude

commutative

compatibility

Additional compatible libraries

default_value

Default value this feature returns if no data found.

description_template

input_types

woodwork.ColumnSchema types of inputs

max_stack_depth

name

Name of the primitive

number_output_features

Number of columns in feature matrix associated with this feature

return_type

ColumnSchema type of return

uses_calc_time

uses_full_dataframe