Xingwang Ye wrote: > Dear all, > When I use aggregate function as: > > attach(warpbreaks) > aggregate(warpbreaks[, 1], list(wool = wool, tension = tension), sum) > > The results are right but I get a warning message: > "number of items to replace is not a multiple of replacement length." > > BTW: I use R version 2.4.1 in Ubuntu 7.04.
Does not happen for me, neither with R-2.4.1 nor with recent versions of R. Maybe you have redefined one of the used objects (aggregate, warpbreaks, wool, tension, sum) in one of your environments? BTW: Is is always a bad idea to make much use of attach()... Uwe Ligges > Your kind solutions will be great appreciated. > > Best wishes > > Yours, sincerely, > Xingwang Ye > > ______________________________________________ > 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. ______________________________________________ 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.
