The latest versions of r-base (2.15) and rpy2-py27 (2.2.2-4) do not work with 
each other (see below).

Manually downgrading the r-base package to 2.14:

        fink reinstall r-base-2.14.0

helps.

This is what the user sees trying the latest r-base (2.15) and the latest 
rpy2-py27 (2.2.2-4, as of 20 April 2012):

from rpy2.robjects import r as R

/sw/lib/python2.7/site-packages/rpy2/robjects/__init__.py in <module>()
     15 import rpy2.rlike.container as rlc
     16 
---> 17 from rpy2.robjects.robject import RObjectMixin, RObject
     18 from rpy2.robjects.vectors import *
     19 from rpy2.robjects.functions import Function, 
SignatureTranslatedFunction

/sw/lib/python2.7/site-packages/rpy2/robjects/robject.py in <module>()
      7 import conversion
      8 
----> 9 class RObjectMixin(object):
     10     """ Class to provide methods common to all RObject instances """
     11     __rname__ = None

/sw/lib/python2.7/site-packages/rpy2/robjects/robject.py in RObjectMixin()
     20     __rclass = rpy2.rinterface.baseenv.get("class")
     21     __rclass_set = rpy2.rinterface.baseenv.get("class<-")
---> 22     __show = rpy2.rinterface.baseenv.get("show")
     23 
     24     def __str__(self):

LookupError: 'show' not found

---
Radek Szklarczyk, [email protected], www.cmbi.ru.nl/~radek




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