[R] apply and arrays
ligges at statistik.uni-dortmund.de
Mon Jul 25 08:52:39 CEST 2005
Laura Holt wrote:
> Hi R!
> I have a 3 dimensional array, which is 21 x 3 x 3
> I want to use apply to sum on each 21x3 matrix, which is fine.
> Is there a way that I can do this in 1 step instead of a loop (3), please?
Don't know which direction you mean, I guess one of the following:
apply(x, c(1,2), sum)
apply(x, 3, sum)
> Laura Holt
> mailto: holtlaura at gmail.com
> R-help at stat.math.ethz.ch mailing list
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