Lutz Prechelt <prechelt <at> pcpool.mi.fu-berlin.de> writes: : : I am looking for a function like : my.blockwisesum(vector, n) : that computes sums of disjoint subsequences of length n from vector : and can work with vector lengths that are not a multiple of n. : : It should give me for instance : my.blockwisesum(1:10, 3) == c(6, 15, 24, 10)
tapply(v, (seq(v)-1)%/%n, sum) ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html