On Sun, May 4, 2008 at 2:35 PM, Art <[EMAIL PROTECTED]> wrote:
>
>
> I am unsuccessful at using rpy through the sage notebook. A Traceback
> is appended. I am assuming this is the sage interface to R (through
> 'from rpy import r'). I have spent the last few hours learning the
> rudiments of sage, python, R, and rpy, in that order. I am using the
> Ubuntu Hardy with the Linux binary distribution:
>
> sage-3.0-ubuntu64-opteron-x86_64-Linux.tar.gz
>
> I have separately installed R-2.6.2 and the latest debian package for
> rpy (as there is an Ubuntu bug that generates the same Traceback on
> importing rpy). I am wondering how to fix this problem as it looks
> like my installation of sage uses it's own local version of
> everything, but I'm not sure. I've tried different set_options()
> unsuccessfully.
>
> Before hacking into the sage distribution and given I have no idea
> what I'm doing, I was wondering if this is indeed the interface to R
> and if there is a quick fix for this problem. I have read through some
> of the trac tickets and postings on your forums but I don't know
> enough at this point to solve this myself.
Just "for fun" could you also try using the default
(non rpy) r object in a fresh Sage session:
sage: r('2+3')
[1] 5
sage: r([1..100]).mean()
[1] 50.5
See the examples here:
http://wiki.sagemath.org/R
-- William
>
> from rpy import r
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/home/art/.sage/sage_notebook/worksheets/admin/7/code/2.py",
> line 6, in <module>
> from rpy import r
> File "/home/art/sage/local/lib/python2.5/site-packages/sympy/
> plotting/", line 1, in <module>
>
> File "/home/art/sage/local/lib/python2.5/site-packages/rpy.py", line
> 134, in <module>
> """ % RVERSION)
> RuntimeError: No module named _rpy2062
>
> RPy module can not be imported. Please check if your rpy
> installation supports R 2.6.2. If you have multiple R versions
> installed, you may need to set RHOME before importing rpy. For
> example:
>
> >>> from rpy_options import set_options
> >>> set_options(RHOME='c:/progra~1/r/rw2011/')
> >>> from rpy import *
>
>
>
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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