Wladimir Eremeev <[EMAIL PROTECTED]> writes: > Dear r-help, > > I have an array a1 with dimensions [1:660,1:65,1:25] > I would like the first dimension to be the last one. > That is I want and array [1:65,1:25,1:660] > > The only way to do this, I know, is > > tmp.a<-array(dim=dim(a1)[c(2,3,1)]) > for(i in 1:dim(a1)[1]) tmp.a[,,i]<-a1[i,,] > a1<-tmp.a > rm(tmp.a) > > > Is it possible to avoid 'for' loop here?
aperm() is your friend. -- O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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