Dear all

for pca on my data i used this code

deug.dudi <- dudi.pca(c(1:62), center =c(63),scale = FALSE, scan = FALSE)

s.class(deug.dudi$li, c(63), cpoint = 1)

but i take this message:

*Error in s.class(deug.dudi$li, c(63), cpoint = 1) : *
*  factor expected for fac*

please explain, what is meaning of this error


thanks
-- 
Mahnaz Rabbaniha
marine Ecologist, PhD
Iranian Fisheries Research Organization (IFRO)
P.O.Box: 14155-6116
Tehran, IRAN
Phone:   +98 21 44580953
Fax:       +98 21 44580583

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