Re: [R] big quasi-fixed effects OLS model

2012-05-08 Thread Bert Gunter
Your query is far too vague to answer -- probably 90% of R packages qualify. As you are an economist, obvious question: Have you looked at the CRAN econometrics task view? -- Bert On Tue, May 8, 2012 at 8:30 PM, ivo welch wrote: > dear R experts---now I have a case where I want to estimate very

Re: [R] big quasi-fixed effects OLS model

2012-05-08 Thread Joshua Wiley
Hi Ivo, You might check out biglm. It is not clear to me how to parallelize a single model, but if you are running several, of course you can (but you already know that). The one thing that may help is to link R against an optimized, multithreaded BLAS such as Atlas (I think you have to do th

[R] big quasi-fixed effects OLS model

2012-05-08 Thread ivo welch
dear R experts---now I have a case where I want to estimate very large regression models with many fixed effects---not just the mean type, but cross-fixed effects---years, months, locations, firms. Many millions of observations, a few thousand variables (most of these variables are interaction fix