On Oct 8, 2007, at 1:01 PM, [EMAIL PROTECTED]
wrote:
Date: Sun, 7 Oct 2007 09:38:16 -0400
From: "Michael Boldin" <[EMAIL PROTECTED]>
Subject: [Rpy] Windows import rpy problems
To: <rpy-list@lists.sourceforge.net>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Different messages on this list point to the same basic problem-
Python and
RPY silently crashes when 'import rpy' is used in a Windows
system. This
Windows RPY problem has two quick solutions (based on my experiments):
(1) Use RPY RC2, which is the older release from December
2006. You
might want to stay with Python 2.4 since the NUMERIC and NUMPY
installations
seem to be easier with this version. Note that only R 2.0 to 2.4.1 is
supported with RC2. I used the build named
rpy-1.0-RC2.win32-R2.0.0-R-2.4.1-py2.4.exe
<http://downloads.sourceforge.net/rpy/rpy-1.0-RC2.win32-R2.0.0-
R-2.4.1-py2.4
.exe?use_mirror=superb-east>
(2) See the rpy-list posting by Manuzhai under "Fixed the Win XP
problem" that has a link to a new RPY build based on RC3. This
worked for
me, but it is not an official RPY package.
I downloaded and installed Manuzhai's RC3 and it does indeed fix the
crashes on "import rpy". However, I'm getting a fatal error on calls
to r.summary() for a linear model.
The error manifests as a pop-up dialog from python.exe:
"This application has failed to start because Rlapack.dll was not
found. Re-installing the application may fix this problem"
There are more details provided on the console:
File "C:\opusworkspace-svn\opus_core
\estimate_linear_regression_r.py", line 69
, in run
summary = r.summary(fit)
rpy.RException: Error in chol2inv(Qr$qr[p1, p1, drop = FALSE]) :
lapack routines cannot be loaded
This same code works under Mac OS X.
I've tried uninstalling R, restarting, reinstalling R, and
restarting, but this makes no difference. I am running R 2.5.1 and
Python 2.5.1 under Windows XP 32-bit.
Is there an ETA for RC4?
Please let me know if I can help with testing.
Thanks,
Brian Miles
Graduate Assistant
Spatial Analysis Lab - Rubenstein School of Environment and Natural
Resources
University of Vermont
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