[R] Error in cor.default(x1, x2) : missing observations in cov/cor
Ken Spriggs
ksspriggs at gmail.com
Wed Feb 27 23:08:04 CET 2008
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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