And when some function f (such as predict) other than fit is called on the
pipeline, it invokes transform on all the steps but the last, and on the
last step calls f with the transformed data.
On 27 February 2015 at 13:31, Sebastian Raschka <se.rasc...@gmail.com>
wrote:
> It's actually quite simple: It invokes fit_transform on all elements in a
> pipeline but the last. On the last element in the pipeline (the estimator)
> only fit is invoked.
>
> Best,
> Sebastian
>
> > On Feb 26, 2015, at 9:01 PM, Pagliari, Roberto <rpagli...@appcomsci.com>
> wrote:
> >
> > Given a pipeline with a certain number of transformers and a classifier,
> how does sklearn know which method should be invoked from one step to
> another? Does it list the available methods for each object?
> >
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