[R-SIG-Mac]Rpy in Pycrust/Pyshell

[Jan de Leeuw]

This refers to earlier emails about the MacPython-2.3 build (with
pyobjc, Rpy, wxPython) on http://gifi.stat.ucla.edu/pub

If you want to use Rpy (R from Python) in Pycrust or Pyshell (the
Python GUI's that come with wxPython) then you have to recompile
libR.dylib by commenting out the two lines in src/main/dounzip.c
that use the variable unz_copyright (just put // at the beginning of the
line). This solves the problem that unz_copyright is already
defined in the wxWindows dynamic libraries. Now Rpy loads fine
and you can R away from Pycrust (including X11 plotting).

Some of you may wonder why it is good to R from Python. The
brief answer is that you can also Python from Python -- i.e. you
can do many other things from the same GUI that you cannot do
in R (Cocoa programming, wxWindows programming), and
you can also combine all this in Python scripts. And you
basically get a bunch of new GUI's for R for free: on OS X these are
IDLE, PythonIDE, Pycrust/Pyshell, and the command-line
interfaces provided by python and pythonw.

===
Jan de Leeuw; Professor and Chair, UCLA Department of Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical  
Software
US mail: 9432 Boelter Hall, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550;  fax (310)-206-5658;  email: deleeuw@stat.ucla.edu
homepage: http://gifi.stat.ucla.edu
   
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