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<e...@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. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
