-----Original Message----- From: Warnes, Gregory R [mailto:gregory_r_warnes@groton.pfizer.com] Sent: Friday, January 16, 2004 12:55 To: R-Packages (E-mail) Subject: [R] [R-pkgs] FW: Announce: RPy version 0.3.3

-----Original Message----- From: Warnes, Gregory R Sent: Friday, January 16, 2004 3:52 AM To: 'r-packages'; 'python-announce '; 'rsoap-talk'; 'Dan Nathan'; 'RPy List' Subject: Announce: RPy version 0.3.3

RPy Version 0.3.3 is now available from the RPy home page at http://rpy.sf.net.

What is RPy? --------------------

RPy is a very simple, yet robust, Python (http://www.python.org) interface to the R environment for statistical data analysis and graphics (http://www.r-project.org). RPy can manages translation between python and R formats for all kinds of R objects and can execute arbitrary R functions (including the graphic functions). All errors from the R language are converted to proper Python exceptions. All module installed on the R system are available from Python.

Consequently, RPy allows Python programmers to easily add advanced statistical functionality to Python programs. It allows R programmers the ability to use Python to control R computations and to interface them with other systems. Examples include RSOAP (http://www.analytics.washington.edu/Zope/projects/RSOAP), RSessionDA (http://www.analytics.washington.edu/Zope/projects/RSOAP), and RStatServer (http://www.analytics.washington.edu/Zope/projects/RStatServer). These products, which make heavy use of RPy have been used in a production environments for two years.

New features in 0.3.3 -------------------------------

o Now works with R 1.8.X

o Windows version merged into the Unix source tree

o Added lcall() method for calling R functions using a list of (name, value) pairs for the parameters. This is works around the python (mis-)feature of using unordered python dictionaries for named parameters, resulting in the loss of order for named parameters.

o All reported bugs have been fixed.

o New maintainer: Gregory R. Warnes <gregory_r_warnes@groton.pfizer.com>

For more information visit the RPy home page at http://rpy.sf.net, or the RPy SourceForge project page at http://www.sf.net/projects/rpy.

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