Cross-validate the pipeline with cv=5 on roc_auc and return [mean, std], rounde…
Machine Learning · from Cross-validation
cross_val_scorecross_validateStratifiedKFoldKFoldscoringGroupKFoldPutting the kettle on…
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Exercise 1
Cross-validate the pipeline with cv=5 on roc_auc and return [mean, std], rounded to 4 places. Both numbers, not just the mean.
your answer
stuck? the lesson behind it
Cross-validation
Take several measurements, report the spread, and keep the test set sealed