aa file isï¼
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
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