featuretools.primitives.First¶

class featuretools.primitives.First[source]¶

Determines the first value in a list.

Examples

>>> first = First()
>>> first([1, 2, 3, 4, 5, None])
1.0

__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_filepath`(filename)
`get_function`()

Attributes