Perfect!
Thanks so much for your help!
Erin



On Thu, May 29, 2014 at 8:52 PM, Marc Schwartz <marc_schwartz@me.com> wrote:

>
> On May 29, 2014, at 7:12 PM, Erin Hodgess <erinm.hodgess@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.hodgess@gmail.com

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