What is almost certainly critical here are the algorithms you use (to do the integrations in the Bayesian models) and perhaps a fast BLAS.
-- Bert Gunter Genentech Non-Clinical Statistics South San Francisco, CA "The business of the statistician is to catalyze the scientific learning process." - George E. P. Box > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Elizabeth Lawson > Sent: Wednesday, December 14, 2005 9:53 AM > To: jim holtman > Cc: r-help@stat.math.ethz.ch > Subject: Re: [R] getting faster results > > I am running algorithms for Bayesian hierarchical models with > 20 or more variables or writing alogrithms that solve for > partially linear models using wavlelet estimation. Soemtimes > just creating the predicted vaules from the Bayesian analysis > takes over a day to run! > I am just wondering if R runs faster on any particular > systems or if it is about the same regardless. > > jim holtman <[EMAIL PROTECTED]> wrote: > Need to know what you are trying to do with the data. > Depending on what you want to do and how you do it will > determine the speed. I can take a dataframe with 1,000,000 > rows of transaction data and compute the average and plot a > histogram of the response time in less that a couple of > seconds. Is that fast enough? > > On 12/13/05, Elizabeth Lawson <[EMAIL PROTECTED]> wrote: Hey, > > Can anyone answer this question. I am working with really > large datasets and most of the programs I have been running > take quite some time. > > I heard that R may be faster in Unix. I sthis true and if so > can anyone reccomend which system and requirements may allow > things to go faster for? > > Thanks!! > > Elizabeth Lawson > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 247 0281 > > What the problem you are trying to solve? > > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html