Perfect! Thanks so much for your help! Erin
On Thu, May 29, 2014 at 8:52 PM, Marc Schwartz <marc_schwa...@me.com> wrote: > > On May 29, 2014, at 7:12 PM, Erin Hodgess <erinm.hodg...@gmail.com> wrote: > > > Dear R People: > > > > How are you? > > > > I would like to look at the underlying C code from the program > C_ARIMA_Like > > in the stats package. > > > > However, since that is a base package, I'm not entirely sure how to > access > > this. > > > > When I used the .C(C_ARIMA_Like....) > > > > it says that the C_ARIMA_Like cannot be found. > > > > This is on Windows 7, R version 3.0.2. > > > > Thank you for any help! > > Sincerely, > > Erin > > > Hi Erin, > > If you are working from a binary install of R, you won't able to see the > sources for C or FORTRAN based functions. > > If it is a base package in the '../library' tree like 'stats', in the > source tarball from CRAN or in the R SVN repo, there will be a 'src' > directory for the package where relevant C and/or FORTRAN code will be > contained. > > As an example for arima.c, in the SVN repo for the 3.0 branch tree: > > > https://svn.r-project.org/R/branches/R-3-0-branch/src/library/stats/src/arima.c > > For R-Devel, it will be in 'trunk': > > https://svn.r-project.org/R/trunk/src/library/stats/src/arima.c > > Scroll down or search in the arima.c source for the function name > "ARIMA_Like". > > If you know something about SVN repo trees, the path will make sense. > > Other common C and/or FORTRAN code that is not part of the base packages > may be in the ../src/main directory: > > https://svn.r-project.org/R/branches/R-3-0-branch/src/main/ > > and there is a file 'names.c' that can be helpful in locating specific C > functions and their associated declared C names. > > For Recommended packages, there is also a separate SVN repo at: > > https://svn.r-project.org/R-packages/ > > but it may be easier to download the tarball for each package from CRAN. > > Regards, > > Marc Schwartz > > -- Erin Hodgess Associate Professor Department of Mathematical and Statistics University of Houston - Downtown mailto: erinm.hodg...@gmail.com [[alternative HTML version deleted]] ______________________________________________ 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.
