[R] Error in cor.default(x1, x2) : missing observations in cov/cor
Erik Iverson
iverson at biostat.wisc.edu
Wed Feb 27 22:58:29 CET 2008
What happens when you type "cor" at the R prompt? Perhaps your calling
of the cor function is not calling the cor function in the stats package?
Ken Spriggs wrote:
> Hello,
>
> I'm trying to do cor(x1,x2) and I get the following error:
> Error in cor.default(x1, x2) : missing observations in cov/cor
>
> A few things:
> 1. I've used cor() many times and have never encountered this error.
> 2. length(x1) = length(x2)
> 3. is.numeric(x1) = is.numeric(x2) = TRUE
> 4. which(is.na(x1)) = which(is.na(x2)) = integer(0) {the same goes for
> is.nan()}
> 5. I also try cor(x1,x2, use = "all.obs") and get the same error.
>
> What can be going wrong?
>
>
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