PCA works better if there is1. A linear structure in the data2. If the – McqOptions

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1.	PCA works better if there is1. A linear structure in the data2. If the data lies on a curved surface and not on a flat surface3. If variables are scaled in the same unit
A.	1 and 2
B.	2 and 3
C.	1 and 3
D.	1,2 and 3
Answer» D. 1,2 and 3

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