I've written a handout that talks about calling C from R and
calling R from C using both the .C and .Call methods.  (It also
shows similar information for matlab -- my apologies.)  You
can find it here:

        http://www.stat.berkeley.edu/classes/s243/calling.pdf

                                        - Phil Spector
                                         Statistical Computing Facility
                                         Department of Statistics
                                         UC Berkeley
                                         spec...@stat.berkeley.edu


On Wed, 17 Mar 2010, Sharpie wrote:



TheSavageSam wrote:

Thanks for the huge help. I have learned a lot and been able to start
writing my own code.

If you could give me a reference(a link, name of a book, etc.) to a good
manual of how to use and manipulate and use SEXP variables in C
(considering creating R libraries) it would be great help to me.


Unfortunately, I can't really recommend anything beyond what has already
been mentioned in this thread- I learned most of what I know about
interacting with R at the C level from "Writing R Extensions" and by
browsing the comments in the R source.

If anyone else knows of good books/articles/blog posts that discuss hacking
around with R at the C level, I would be interested to see them as well.

-Charlie

-----
Charlie Sharpsteen
Undergraduate-- Environmental Resources Engineering
Humboldt State University
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