Re: [R] C function call in R

John Lande writes: > dear all, > > we am trying to improve the performance of my R code, with the implentation > of some function with custom C code. > we found difficult to import and export/import data structure such us > matrices or data.frame into the external C functions. Please give a *ver

Re: [R] C function call in R

Hi, On Tue, May 18, 2010 at 10:50 AM, John Lande wrote: > dear all, > > we am trying to improve the performance of my R code, with the implentation > of some function with custom C code. > we found difficult to import and export/import data structure such us > matrices or data.frame into the exte