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

[Ken Spriggs]

Thanks.  Your suggestion works. 


Daniel Malter wrote:
> 
> Does the code below solve your problem? If you have NAs in the same rows,
> you have to use "c" or "p" as use= parameters. Otherwise you get the error
> you described.
> 
>  a=c(1,2,3,4,NA,6)
>  b=c(2,4,3,5,NA,7)
>  
>  which(is.na(a))==which(is.na(b))
>  
>  cor(a,b) ####Error
>  cor(a,b,use="all.obs") ####Error
>  
>  cor(a,b,use="complete.obs") #### Does it. AND
>  cor(a,b,use="pairwise.complete.obs") #### Does it too.
> 
> -------------------------
> cuncta stricte discussurus
> -------------------------
> 
> -----Ursprüngliche Nachricht-----
> Von: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] Im
> Auftrag von Ken Spriggs
> Gesendet: Wednesday, February 27, 2008 4:34 PM
> An: r-help at r-project.org
> Betreff: [R] Error in cor.default(x1, x2) : missing observations in
> cov/cor
> 
> 
> 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?
> 
> 
> --
> View this message in context:
> http://www.nabble.com/Error-in-cor.default%28x1%2C-x2%29-%3A-missing-observa
> tions-in-cov-cor-tp15723848p15723848.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
> 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.
> 
> 

-- 
View this message in context: http://www.nabble.com/Error-in-cor.default%28x1%2C-x2%29-%3A-missing-observations-in-cov-cor-tp15723848p15738495.html
Sent from the R help mailing list archive at Nabble.com.