[R] How to make R running faster

[Neil Shephard]

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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