Thanks for the input on GPL issues. Is creating an external add-on to
OpenOffice an option? I'm thinking of creating a package that isn't
distributed with OO itself, but one can download it (R executable included)
and install it themselves.

Also, thanks for bringing the C++ option up. It's something I didn't
consider only because of my experience with using other packages, but after
reading the guide and doing some general searching, I think this would be a
good way to go (or at least to research in more depth). I'm just finishing
up some final projects for school this weekend, so I haven't been able to do
as much exploring as I'd like, but hope to do so next week.

With regards to the Java or Python implementations, I definitely understand
the time penalty for launching the software, but am not so sure about the
rest. While it does add an extra layer in terms of connections, my
understanding is that once you send the data to R through JRI or RPy, it
does all the calculations externally and just sends output back, so I don't
know how slow it would be during use. I'm happy to read up on this, and
would welcome your thoughts.

Thank you,
Wojciech

On 4/3/07, Kohei Yoshida <[EMAIL PROTECTED]> wrote:

On Tue, 2007-04-03 at 14:54 +0200, Krzysztof Filo Gorgolewski wrote:
> On Tuesday 03 of April 2007 09:33:22 Wojciech Gryc wrote:
> > Using the current Java and Python based tools for R (JRI and RPy
> > respectively) already provides one with a starting point in terms of a
> > framework.
> Java is better because it is already required by OO. Writing RCalc in
python
> would force users to install yet another additional piece of software.

Actually OO.o doesn't require Java.  It uses Java for some fringe
functionality, such as various wizards (File -> Wizards) and one
not-so-fringe functionality (Base).  OO.o works just fine without JVM
installed.

As with Python, OO.o ships with its own version of Python interpreter
(though it's probably an install-time option).  So, the presence of
Python interpreter is, although not guaranteed, more likely than the
presence of JVM on a given system, especially on a UNIX based system.

Kohei

--
Kohei Yoshida - OpenOffice.org Engineer - Novell, Inc.
<[EMAIL PROTECTED]>


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