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how can i plot my results from gridsearch csv?

clf = GridSearchCV(pipeline, parameters, cv=3,return_train_score=True)
clf.fit(x, y)
df = pd.DataFrame(clf.cv_results_)

i'm trying to get a similar plot to what is here: https://matthewbilyeu.com/blog/2019-02-05/validation-curve-plot-from-gridsearchcv-results , but this uses the grid search object and i have tried and failed at trying to get the same using just the gridsearch df (from above).

can anybody help in how i go about this?

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  • $\begingroup$ Why do you fail? With that you get a pandas dataframe, if you extract the parameters (I think they are in dic format) you should be able do a fast plot $\endgroup$ – Carlos Mougan Jun 19 '20 at 10:19
  • $\begingroup$ aram_ranges = [grid.param_grid[p[6:]] for p in param_cols] <-- you need the grid object here what would be qeuivalent for df $\endgroup$ – Maths12 Jun 19 '20 at 10:24
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Pass your clf object to the function provided in the website. It should work.

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