[R] ANN: RPy (R from Python) 0.2

[Walter Moreira]

Hello.

RPy version 0.2 is released.  You can download it from the Sourceforge site:

    http://rpy.sourceforge.net

WHAT IS RPy?

RPy is a very simple, yet robust, Python interface to the R Programming
Language (http://www.r-project.org).  It can manage all kinds of R objects and
can execute arbitrary R functions (including the graphic functions).  All the
errors from the R language are converted to Python exceptions.  Any module
that later were installed on the R system, can easily be used from within
Python, without introducing any changes.  Currently it works only on POSIX
systems.

CHANGES IN RPy 0.2

Fixed bugs

o There were several bugs related to memory and R and Python garbage
  collectors, which caused Python segfaults.
o There was a problem with signals traped by R, which made Python crash when
  <Ctl-C> was pressed.
o R objects of class 'factor' or 'data.frame' were incorrect converted to
  Python.
o Instances of any class converted to R were treated as sequences and made
  Python segfault.

Conversion

o RPy has now a new system for conversion of types from R to Python (see the
  docs), which includes user defined conversion functions.
o The conversion to R types is also customizable.
o Some utility functions are added.
o When Numeric (NumPy) is available, it is used for the standard conversion
  between R arrays and Python objects.

Documentation

o The documentation is converted to texinfo format, updated and enlarged.  In
  particular, better documentation for the compilation procedure and for the
  location of libraries is included.

Distribution

o There are now some examples included in the distribution.
o Regression tests are also included.
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