Hi, According to http://scikit-learn.org/0.16/developers/index.html#get-params-and-set-params <http://scikit-learn.org/0.16/developers/index.html#get-params-and-set-params>, get_params and set_params are used to clone estimators. However, I don't understand how it is used in FeatureUnion: `return self._get_params('transformer_list', deep=deep)`
Why doesn't it contain other arguments like n_jobs and transformer_weights? Best Louis
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