Hi Daniel, Thanks for your reply. I experimented with various options since my poet and eventually tried use="pairwise.complete.obs" which seemed to do the trick.
Thanks, rcoder Daniel Malter wrote: > > Hi, > > the argument use should be: use="p" (for pairwise complete obs.) > > Daniel > > > > ------------------------- > cuncta stricte discussurus > ------------------------- > > -----Ursprüngliche Nachricht----- > Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im > Auftrag von rcoder > Gesendet: Friday, August 15, 2008 9:45 AM > An: r-help@r-project.org > Betreff: [R] cor() btwn columns in two matrices - no complete element > pairs > > > Hi everyone, > > I'm trying to calculate correlation coefficients between corresponding > columns in two matrices with identical dimensions but different data. The > problem is that the matrices contain NAs in different locations. I am > using > the following code to try to calculate correlations between complete sets > of > data: > > #Code start > maxcol<-ncol(mat1) > for (i in 1:maxcol) > { > corr_results[1,i]<-cor(mat1[,i],mat2[,i], use="complete.obs") > } > #Code end > > ...but I get the following error message: > > Error in cor(mat1[,i], mat2[,i], use="complete.obs") : > no complete element pairs > > Is there something I'm not including in the 'cor' parentheses? I apologise > for not including the true original data frames. > > Thanks, > > rcoder > -- > View this message in context: > http://www.nabble.com/cor%28%29-btwn-columns-in-two-matrices---no-complete-e > lement-pairs-tp18998875p18998875.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@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@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/cor%28%29-btwn-columns-in-two-matrices---no-complete-element-pairs-tp18998875p19014384.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@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.
