Re: [R] Double Roop

2015-06-30 Thread Peter Maclean via R-help
 Hi EverybodyI am trying to make an object with  length(a) * length(b) element  using a double loop. But I am getting the last part only.  A simple script is a - c(A-AA, B-BB, C-CC) b    - seq(1, 5) pre - NULL post - NULL page - NULLfor(j in 1:length(a)) {    for(i in 1:length(b)){    pre[j] 

Re: [R] Double Roop

2015-06-30 Thread Sarah Goslee
Hi Peter, page is indexed by [i], so for each iteration of j you're rewriting previous results. You can fix that very simply, with: a - c(A-AA, B-BB, C-CC) b- seq(1, 5) pre - NULL post - NULL page - NULL pageno - 1 for(j in 1:length(a)) { for(i in 1:length(b)){ pre[j] -

Re: [R] Double Roop

2015-06-30 Thread David Winsemius
On Jun 30, 2015, at 6:04 AM, Peter Maclean via R-help wrote: Hi EverybodyI am trying to make an object with length(a) * length(b) element using a double loop. But I am getting the last part only. A simple script is a - c(A-AA, B-BB, C-CC) b- seq(1, 5) pre - NULL post - NULL page