[R] Collapse an array
wwwhsd at gmail.com
Thu Feb 28 21:20:52 CET 2008
Try this also:
apply(x, 4, rbind)
On 28/02/2008, Gang Chen <gangchen at mail.nih.gov> 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?
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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