Measure the optimism
Machine Learning · from The honest estimate
nested CVbest_score_selection optimismwinner’s cursetest set disciplinePutting the kettle on…
Starting up…
Exercise 1
Measure the optimism. Return [best_score_, nested_score] for a grid over clf__C = np.logspace(-2, 1, 4), both 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