afsharov questions

afsharov answers

• How to use precision recall curve in gridsearchcv?
• Score obtained from cross_val_score is RMSE or MSE?
• ValueError: 'mean_squared_error' is not a valid scoring value
• Is there a way for sklearn pipeline to train with and without a step during a grid search? I can remove steps but how do i pass this to GridSearchCV?
• How to get the feature importance in Gaussian Naive Bayes
• Installing scipy and scikit-learn on apple m1