[R] How to Read?

Dear All, Thank you for helping me doing PCA. Please show me how to read Individuals factor map (PCA) and Variables factor map (PCA). http://www.nabble.com/file/p15975893/pca_var.jpg http://www.nabble.com/file/p15975893/pca_ind_q1.jpg Nguyen Tran Phuong Thao. Hue University, Viet Nam. -- V

[R] Principle component analysis function

Dear All, In a package, I want to use PCA function. The structure I used follow this page: http://www.statmethods.net/advstats/factor.html. fit<-principle(mydata, nfactors=9, rotation=TRUE) or: result<-PCA(mydata) But I don't known why R language in my computer noticed: "not

[R] Principle component analysis

Thanks to Mr.Liviu Androvic and Mr.Richard Rowe helped me in PCA. Because I have just learn R language in a few day so I have many problem. 1) I don't know why PCA rotation function not run although I try many times. Would you please hepl me and explain how to read the PCA map (both of rotated a

[R] Problem with PCA

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 C