Comments (2)
I agree with @SamBurkart.
To add an additional piece of evidence for this answer: the answer to part c) is given in the text on page 278, "When λ → ∞, g will be perfectly smooth—it will just be a straight line that passes as closely as possible to the training points. In fact, in this case, g will be the linear least squares line, since the loss function in (7.11) amounts to minimizing the residual sum of squares."
from stat-learning.
Another error: for e), when λ = 0 and the penalty term becomes irrelevant, g will be a function which completely interpolates the training data, since the minimization is over all curves. In particular, it won't be the linear least squares line as the current solution claims.
from stat-learning.
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from stat-learning.