Can can get the coefficients on the scaled data with
pipeline_lr.named_steps_['clf'].coef_
though


On 08/28/2017 12:08 AM, Raga Markely wrote:
No problem, thank you!

Best,
Raga

On Mon, Aug 28, 2017 at 12:01 AM, Joel Nothman <joel.noth...@gmail.com <mailto:joel.noth...@gmail.com>> wrote:

    No, we do not have a way to get the coefficients with respect to
    the input (pre-scaling) space.

    On 28 August 2017 at 13:20, Raga Markely <raga.mark...@gmail.com
    <mailto:raga.mark...@gmail.com>> wrote:

        Hello,

        I am wondering if it's possible to get the weight coefficients
        of logistic regression from a pipeline?

        For instance, I have the followings:

            clf_lr = LogisticRegression(penalty='l1', C=0.1)
            pipe_lr = Pipeline([['sc', StandardScaler()], ['clf',
            clf_lr]])
            pipe_lr.fit(X, y)


        Does pipe_lr have an attribute that I can call to get the
        weight coefficient?

        Or do I have to get it from the classifier as follows?

            X_std = StandardScaler().fit_transform(X)
            clf_lr = LogisticRegression(penalty='l1', C=0.1)
            clf_lr.fit(X_std, y)
            clf_lr.coef_


        Thank you,
        Raga


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