featuretools.primitives.NumUnique¶
- class featuretools.primitives.NumUnique[source]¶
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__()¶
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
([agg_type])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
stack_on
stack_on_exclude
stack_on_self
uses_calc_time