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orthoblique
2011 Apr 09
2
Orthoblique rotation on eigenvectors (SAS VARCLUS)
Hi All,
I'd like to build a package for the community that replicates the output
produced by SAS "proc varclus". According to the SAS documentation, the
first few steps are:
1. Find the first two principal components.
2. Perform an orthoblique rotation (quartimax rotation) on eigenvectors.
3. Assign each variable to the rotated component with which it has the
higher
squared correlation.
The cartoon example below attempt to do this, but I found my results differ
from SAS in "pc3" (i.e, the standardize component scores).
I&...