So you did have NAs in your data? what do
> any(is.na(x1)) and > any(is.na(x2)) give? Ken Spriggs wrote: > 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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im >> Auftrag von Ken Spriggs >> Gesendet: Wednesday, February 27, 2008 4:34 PM >> An: r-help@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@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. >> >> > ______________________________________________ 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.
