Re: [R] Error in cor.default(x1, x2) : missing observations in cov/cor

From: Erik Iverson <>
Date: Wed, 27 Feb 2008 15:58:29 -0600

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( = which( = 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?
> mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Wed 27 Feb 2008 - 22:01:07 GMT

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