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Which of the following statement is true about k-NN algorithm 1...

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Machine Learning
?

Which of the following statement is true about k-NN algorithm?
1. k-NN performs much better if all of the data have the same scale
2. k-NN works well with a small number of input variables (p), but struggles when the number of inputs is very large
3. k-NN makes no assumptions about the functional form of the problem being solved

Answer & Solution
Correct Answer: Option D
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