On Jun 24, 2012, at 11:37 AM, tbowlo wrote:
Perhaps an easier coding that shows what I want would be this:for(i in 1:nrow(ret)) {+ retT=ret[1+i:252+i,]}
You should be thinking about what will happen in that indexing operation when the loop pushes 'i' above nrow(ret)-251
(You may want to look at the 'embed' function, once that is, after you have correctly sorted out your understanding of the "dimensions" of this extraction.)
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