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