I have an exercise. With 3 kinds of yohourt a,b,c. There are 25 participatients estimate 3 norms: taste (va,vb,vc), structure (ca,cb,cc) and price (ga,gb,gc) and give the mark from 1 to 5. I don't know how to PCA this data. Please help me! I attached the data file follow: Va Vb Vc Ca Cb Cc Ga Gb Gc 4 2 4 5 5 5 4 4 2 2 2 4 3 2 5 4 5 1 2 2 1 2 3 3 3 1 4 1 1 2 2 3 3 4 3 2 3 4 4 4 3 1 2 1 2 1 1 1 1 2 4 3 2 4 4 4 2 2 2 1 2 1 3 2 3 3 3 4 3 1 1 1 4 5 1 3 3 2 4 2 4 2 2 5 1 1 3 2 3 3 4 2 4 5 3 3 4 4 4 3 4 2 1 2 2 1 2 4 1 2 1 2 3 3 3 1 4 3 4 1 1 2 1 2 3 3 5 4 3 4 3 1 1 1 2 4 4 2 2 2 1 4 2 4 2 2 1 1 2 4 3 2 4 3 1 3 4 2 5 3 4 1 1 1 2 2 3 3 4 3 2 2 3 4 3 4 4 4 3 1 2 3 3 3 4 3 1 1 1 4 3 1 1 1 2 2 3 3 1 1 1 1 2 4 3 2 4 3 4 2 1 2 2 3 1 3 3 4 2 1 2 2 1 2 4 -- View this message in context: http://www.nabble.com/Problem-with-PCA-tp15797095p15797095.html Sent from the R help mailing list archive at Nabble.com.
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