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

Ken Spriggs ksspriggs at gmail.com
Thu Feb 28 16:14:47 CET 2008


Here's what happened...

> stats::cor(x1,x2)
Error in stats::cor(x1, x2) : missing observations in cov/cor




Erik Iverson wrote:
> 
> OK, that is not the definition of cor in the stats package.  Some add-on 
> package you are loading might be overwriting it.
> 
> What happens if you do
> 
> stats::cor(x1,x2)
> 
> ?
> 
> 
> 
> Ken Spriggs wrote:
>> 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?
>>>>
>>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>>
>>
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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