Question: Question 1 ( 3 0 pts ) Explain feature selection and give an example. Explain dimensionality reduction and give an example. Explain in what way

Question

1 (30

pts

)

Explain feature selection and give an example. Explain dimensionality reduction and give an example. Explain in what way they are similar and in what way they differ from each other.

Explain what role normalization plays in calculating Euclidean distance? Given a number x

= 256

in the range of

[- 400, 14000],

normalize the data and project the number into a new range

[0, 1] .

What is the new value of x after the normalization?

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