[R] calling R from C or C++

Bahoo b83503104 at yahoo.com
Sun Jul 24 05:18:19 CEST 2005

> Hi,
> I have C/C++ code from which I wish I could call R
> to
> do something useful.

By calling I mean linking with the R shared library,
instead of R BATCH.

In particular, I want to use regression functions such
as ridge and locfit.  

> I saw a 2003 message by Thomas saying that "You can
> compile R as a shared library, which allows you to
> construct and evaluate R expressions from C."  Any
> more information would be helpful.  I am looking for
> some documentation that has a more step by step like
> instructions.  Anyone who has experience, please
> point
> me to some resources.
> ps. There is a document on CRAN named "Writing R
> extensions" which seems relevant, but it was too
> difficult for me to understand.

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