[R] Summing x1 to x6

Pablo pschatfield at gmail.com
Tue Dec 20 09:10:58 CET 2011

Thank you guys for your suggestions!  Florent D - that probably is the way of
writing what I had in my head.  The suggestion I took up was one of
JHoltman's which he put in an e-mail to me following his initial post but it
works well with the vectors in this question:

x1.6 <- laply(1:6, function(a) get(paste('x', a, sep = '')))

It is nice because it's easily extendable to matrices too which I want to do
later - change rowMeans(x1.6) to colMeans(x1.6).

Thank you all for your help,


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