.
PCA = Principal components analysis?
If so, this may be useful:
-factormat- (Stata 9 or higher, I believe)
net describe polychoric, from(http://web.missouri.edu/~kolenikovs/stata)
http://www.gseis.ucla.edu/courses/ed231a1/notes2/morefa.html
help tetrachoric
HTH,
Philipp
Luhang Wang wrote:
Dear all,
I've been wondering whether Stata can do PCA alike analysis with
categorical variables. Any suggestions? Thanks.
Best,
Luhang
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