Question: 1 . Select the correct answer A . PCA obtains a new feature vector by transforming the new features. B . Compression in PCA is

1. Select the correct answer
A. PCA obtains a new feature vector by transforming the new features.
B. Compression in PCA is performed by linear transformations.
C. Recovery in PCA is performed by non-linear transformations.
D. PCA only keeps the data projections without calculating covariances.
PCA only keeps the data projections with small eigenvalues.

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