Show that degree 3 is worse than useless
Machine Learning · from Polynomials and the bias-variance trade-off
PolynomialFeaturesinteractionsbiasvariancenegative R²degreePutting the kettle on…
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Exercise 2
Show that degree 3 is worse than useless. Return its 5-fold R², rounded to 4 places. It should be negative.
your answer
stuck? the lesson behind it
Polynomials and the bias-variance trade-off
1,329 features, a training R² of 0.89, and a test R² of −1.02