[R] parallel R?

[Michael]

I guess when we move to Amazon AWS,

we have to rewrite the whole R programs?

On Fri, Jun 26, 2009 at 8:05 AM, Dirk Eddelbuettel<edd at debian.org> wrote:
>
> On 26 June 2009 at 07:40, Michael wrote:
> | Hi all,
> |
> | Lots of big IT companies are renting out their computing facilities.
> | Amazon has one such service. In my understanding, this will
> | dramatically improve the speed of my R program -- currently the cross
> | validation and model selection part is the bottle neck. It take a few
> | days to just finish optimal parameter tuning via CV.
> |
> | Could anybody shed some lights on this? Is it completely transparent
> | to move my R program to a rented parallel computing facility?
> |
> | Moreover, at my PC level, I have a 4-core PC, is there anything we
> | could do in R to speed up my CV programs?
>
> Try this link:   http://lmgtfy.com/?q=parallel+computing+with+R
>
> A survey paper on parallel computing with R by Schmidberger et al will be
> fortcoming shortly in Journal of Statistical Software -- that is at
> http://jstatsoft.org and a Google query will lead to preprints.
>
> Also note that R has a support site network called 'CRAN' which contains so
> called 'Task Views'. Amnong these you may find this one of interest:
>
>   http://cran.r-project.org/web/views/HighPerformanceComputing.html
>
> As to your initial question:  yes, people do use R on the Amazon service.
>
> Dirk
>
> --
> Three out of two people have difficulties with fractions.
>