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How can we perfrom pre fitted standard scalar inverse transform on y variable in pipeline

Data Science Asked on August 12, 2020

I want to create pipeline which will inverse transform the y variable after model prediction

I have 3 pickle files:

  • X variable scalar transform pre fitted object :-X sclr
  • Y variable scalar transform pre fitted object :-Y sclr
  • svr model object:- model

I imported it to python and now I want create pipeline using this file where input data will get scalar transformed by Xsclr parameter—-> then model prediction will happen and then output of model will get inverse transformed using Y sclr object parameter

The implementation would look like

from sklearn.pipeline import Pipeline
pipe = Pipeline(steps=[(StandardScaler(), Xsclr),
                       (SVR(), model),
                       (InverseTransformer(), Ysclr)]
)

I actually I wants to convert this pipeline to ONNX format… Afterwords.

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