Demonstrate the leak
Machine Learning · from Pipelines and leakage
PipelineColumnTransformerleakagenamed_stepsset_paramsjoblibPutting the kettle on…
Starting up…
Exercise 1
Demonstrate the leak. Return the 5-fold AUC with minutes included in the numeric columns, rounded to 4 places. It should be suspiciously close to 1.
your answer
stuck? the lesson behind it
Pipelines and leakage
A 0.9989 AUC is a bug report, and a Pipeline is how you stop writing them