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