Machine Learningscikit-learn 1.9.1 · xgboost 3.4.1 · Python 3.12+
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52 small wins to finish your path

Putting it together quiz

Question 1 of 4

On 5,000 columns of random numbers, SelectKBest fitted on all rows before cross_val_score gave an accuracy of 0.741. What did the same steps inside a pipeline give?

Getting one wrong here is cheaper than getting it wrong in your own code.