support returning multiple time features from function

Nixtla / utilsforecast

https://nixtlaverse.nixtla.io/utilsforecast

Apache License 2.0

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support returning multiple time features from function #111

Closed jmoralez closed 2 months ago

jmoralez commented 2 months ago

Adds support for providing functions that return multiple features to the time_features function. For pandas the function should return a pandas dataframe and for polars a list of expressions.

review-notebook-app[bot] commented 2 months ago

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