HOMEWORK #3
Using the data in RRH-SWEAT DATA use PROC IML in SAS to perform the following
computations
1. Compute the sample mean vector , the sample covariance matrix, and the x
-^
D
DD
D
sample correlation matrix, V
VV
V
^.
2. compute the eigenvalues and eigenvectors of V
VV
V
^.
3. Compute the principal component scores based on both the covariance matrix
and the correlation matrix
DUE DATE SEPTEMBER 28