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

[Ken Spriggs]

I get the following:

> cor
function (x, y = NULL, use = "all.obs", method = c("pearson", 
    "kendall", "spearman")) 
{
    UseMethod("cor")
}




Erik Iverson wrote:
> 
> 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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> 

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