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__()¶: Initialize self. See help(type(self)) for accurate signature.

Methods

`__init__`()	Initialize self.
`generate_name`(base_feature_names, …)
`generate_names`(base_feature_names, …)
`get_args_string`()
`get_arguments`()
`get_dask_aggregation`()
`get_filepath`(filename)
`get_function`()

Attributes