[R] Tools for data preparation?

Hello list, I'm regularly in the position where I have to do a lot of data manipulation, in order to get the data I have into a format R is happy with. This manipulation would generally be in one of two forms: - getting data from e.g. text log files into a tabular format - extracting sensible

[R] Performing regression using R C

Dear All, Is it possible to perform OLS using C code? I am trying to optimize a n-period moving window OLS on a huge dataset hence was wondering if such a thing is possible. Ideally the solution that I am looking for would involve a C-code accepting two float arrays and returning

Re: [R] Performing regression using R C

I have found Numerical Recipes in C to be extremely helpful in my statistical studies. OLS is described in detail in this book. Best, Greg --- Manoj - Hachibushu Capital [EMAIL PROTECTED] wrote: Dear All, Is it possible to perform OLS using C code? I am trying to optimize a

Re: [R] Performing regression using R C

On Thu, 18 Nov 2004, Greg Tarpinian wrote: I have found Numerical Recipes in C to be extremely helpful in my statistical studies. OLS is described in detail in this book. Maybe just read the R code: src/library/stats/R/lm.R contains function lm.fit(), which is a wrapper for the Fortran

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