Thanks a lot for all the suggestions! Gang
On Feb 28, 2008, at 3:20 PM, Henrique Dallazuanna wrote: > Try this also: > > apply(x, 4, rbind) > > On 28/02/2008, Gang Chen <[EMAIL PROTECTED]> wrote: >> Suppose I have a 4-D array X with dimensions (dx, dy, dz, dp). I want >> to collapse the first 3 dimensions of X to make a 2-D array Y with >> dimensions (dx*dy*dz, dp). Instead of awkward looping, what is a >> good >> way to do this? Is there a similar function like reshape in Matlab? >> >> Thanks, >> Gang ______________________________________________ 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.