Compute PCA by hand for the following data matrix -2 1 77--7

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.7: Applications
Problem 13EQ
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Compute PCA by hand for the following data matrix
-3
-2
X =-1 -1
2
1
3 -1
1). Find the mean vector u" (size = 1x2)
!3!
2). Form a 6x2 mean matrix: M =
3). Create a 6x2 zero-mean data matrix: XM = X – M
Transcribed Image Text:Compute PCA by hand for the following data matrix -3 -2 X =-1 -1 2 1 3 -1 1). Find the mean vector u" (size = 1x2) !3! 2). Form a 6x2 mean matrix: M = 3). Create a 6x2 zero-mean data matrix: XM = X – M
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