ummm.... R is case sensitive! "fun" != "FUN" (Have you gone through any R tutorials yet? If not, please do so before posting further).
Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." Clifford Stoll On Thu, Jul 24, 2014 at 10:07 AM, Pfeiffer, Steven <[email protected]> wrote: > Hello! > > Does apply() not work with customized functions? Here is a simple example: > > AddSeven<-function(n){n+7} > AddSeven(3) > [1] 10 > M<-matrix(nrow=2,ncol=2,data=c(1,2,3,4),byrow=TRUE) > M > [,1] [,2] > [1,] 1 2 > [2,] 3 4 > apply(x=M,margin=c(1,2),fun=AddSeven) > Error in match.fun(FUN) : argument "FUN" is missing, with no default > > Thanks for your help! > -Steve Pfeiffer > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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.
