RFC Allow passthrough as pipeline step instead of None #11144
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sounds good to me, or at least providing this as an alternative to None
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we should change None in FeatureUnion to 'drop'. These together would clear
up a lot
…On 27 May 2018 9:22 am, "Joel Nothman" ***@***.***> wrote:
sounds good to me, or at least providing this as an alternative to None
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This was referenced Jul 20, 2018
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As I mentioned here it might make sense to deprecate setting pipeline steps to
None
and requiring"passthrough"
instead to avoid ambiguities with FeatureUnion and ColumnTransformer.This might also give us an opportunity to easily specify "blank" pipelines for which you want to search the steps. Right now it's not easy to say "I want a pipeline with three steps and then let the GridSearch figure out the steps" because you need to provide actual steps at instantiation.
Something like
or something.
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