Re: [R] Cause of error message in cov function? Matthew Keller wrote: > Hi all, >  > I have written a script in R that simulates genetically informative > data - it is posted on my website and available to the public. This is > my first time to write a script for use by others and am learning that > it isn't as easy as it seems. >  > To the issue. My script runs fine on my machine and on a server I have > access to, but a user has written me saying that it crashes the first > time the function "cov" is called up. Below is her error message > followed by the version of R she's using. >  > Can anyone help me out here? I can't recreate her error message. Does > anyone know what this might have to do with? Is it a version issue > (she's using R 2.1)? I'd appreciate any help!! It may be a version issue, but hard to say since we do not know what  effects.cur() is, not do we have any data to reproduce this. Uwe Ligges > Matt >  >  > ERROR MESSAGE: >  > cov.varcomp <- cov(t(effects.cur[c("A","AA","D","F","S","E","AGE","AGE.by.A"),]*beta2)) >  > there is an argument mssing. > error message: >  > Error in mean((a - mean(a)) * (b - mean(b))) : >        argument "b" is missing, with no default >  >  > SPECIFICS OF HER MACHINE: >  >> memory.size() > [1] 10985480 >> R.Version() > $platform > [1] "i386-pc-mingw32" > $arch > [1] "i386" > $os > [1] "mingw32" > $system > [1] "i386, mingw32" > $status > [1] "" > $major > [1] "2" > $minor > [1] "1.0" > $year > [1] "2005" > $month > [1] "04" > $day > [1] "18" > $language > [1] "R" >> .Platform > $OS.type > [1] "windows" > $file.sep > [1] "/" > $dynlib.ext > [1] ".dll" > $GUI > [1] "Rgui" > $endian > [1] "little" > $pkgType > [1] "win.binary" > ______________________________________________ R-help@stat.math.ethz.ch 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.