Which of the following statements are true, check all that apply Given an input XER, PCA compresses it to lower dimensions ZERK where k

MATLAB: An Introduction with Applications
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Which of the following statements are true, check all that apply
Given an input XE R", PCA compresses it to lower dimensions
ZERK where k<n
"
PCA can be used only to reduce dimensionality of data
If the input features are on the very different scales it is a good idea to perform feature
scaling before applying PCA
Transcribed Image Text:Which of the following statements are true, check all that apply Given an input XE R", PCA compresses it to lower dimensions ZERK where k<n " PCA can be used only to reduce dimensionality of data If the input features are on the very different scales it is a good idea to perform feature scaling before applying PCA
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