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calc_history
2006 Jan 23
1
formatC slow? (or how can I make this function faster?
I'm trying to convert a matrix of capture occasions to format that an
external program can read. The job is to basically take a row of
matrix, like
> smp[1,]
[1] 1 1 0 1 1 1 0 0 0 0
and convert it to the equivalent string "1101110000"
I'm having problems doing this in a speedy way. The simplest solution
(calc_history below, using apply, paste and collapse) takes about 2