On Jun 24, 2011, at 1:58 PM, wang peter wrote:
aa file is：
x 1 NA 2
y 1 NA 3
and r program is
aa<-read.table("aa",row.names=1)
bb<-cor(t(aa),method = "pearson",use="pairwise.complete.obs")
bb
x y
x 1 1
y 1 1
i am confused why the pearson correlation coefficients between x and
y is 1
Because two points determine a line?
--
David Winsemius, MD
West Hartford, CT
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