Pipeline

Pipeline(steps, *[, memory, verbose])	Pipeline of transforms with a final estimator.
FeatureUnion(transformer_list, *[, n_jobs, ...])	Concatenates results of multiple transformer objects.
make_pipeline(*steps[, memory, verbose])	Construct a Pipeline from the given estimators.
make_union(*transformers[, n_jobs, verbose])	Construct a FeatureUnion from the given transformers.