Drill 20: Invalid input — Overfitting and regularisation
Describe what happens when the input is invalid.
What you will be able to do
- Describe what happens when the input is invalid.
Practice task
Describe what happens when the input is invalid.
from sklearn.linear_model import Ridge
from sklearn.model_selection import cross_val_score
model = Ridge(alpha=1.0)
scores = cross_val_score(model, X, y, cv=5, scoring='neg_mean_absolute_error')
print(-scores.mean())Your turn
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Describe what happens when the input is invalid.
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