ctu wrote:
>
> Hi everyone,
> I run the R loops on window XP and vista. Both are Intel core 2 Duo
> 2.2 GHz with 2 GB ram and XP is significantly faster than vista. Dose
> anyone know how speed up R loops in vista?
>
>
Loops are not massively efficient within R.
Look into using the apply() family of functions
(eapply()/lapply()/mapply/rapply()/tapply()).
There are plenty of threads in the archives on how to do things more
efficiently with apply() rather than loops.
Neil
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