Q177
The kernel trick
A.
can be applied to every classification algorithm
B.
is commonly used for dimensionality reduction
C.
changes ridge regression so we solve a d × d linear system instead of an n × n system, given n sample points with d features
D.
exploits the fact that in many learning algorithms, the weights can be written as a linear combination of input points
AnswerAnswer: Option D
Solution
Answer: Option D
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