Make the optimism appear
Machine Learning · from The honest estimate
nested CVbest_score_selection optimismwinner’s cursetest set disciplinePutting the kettle on…
Starting up…
Exercise 3
Make the optimism appear. Repeat the nested comparison on just the first 120 rows and return [best_score_, nested], rounded to 4 places.
your answer
stuck? the lesson behind it
The honest estimate
best_score_ is a winner’s score — and here the optimism is 0.0003