[S] is there a cumouter() like function?

Fei Chen (fchen@stern.nyu.edu)
Sun, 23 Aug 1998 12:51:23 -0400 (EDT)

hi all,

i'm trying to do the following, is there a way to avoid the loop?

a_matrix(rnorm(30),10,3) # some random N x 3 matrix
for(i in 2:10)

it seems this sort of question is often asked, but i couldn't find an
answer on the s-news archive.

thanks, fei

ps. can someone give me an example of unavoidable loop? and under what
general conditions when this happens?

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