H Nesse wrote:
> Howdy, I ran into a rather odd problem installing rpy
> on one computer (I have used it to great success on
> another). Every time I try and import rpy (in IDLE or
> command line) I get the message "Unable to determine R
> version from the registry. Trying another method."
> This is then followed by a usual python error message:
>
> Traceback (most recent call last):
> File "<pyshell#0>", line 1, in <module>
> from rpy import *
> File "C:\Python25\Lib\site-packages\rpy.py", line
> 53, in <module>
> RHOME = rpy_tools.get_R_HOME()
> File "C:\Python25\lib\site-packages\rpy_tools.py",
> line 58, in get_R_HOME
> raise RuntimeExecError("Couldn't execute the R
> interpreter.\n"
> NameError: global name 'RuntimeExecError' is not
> defined
>
> I've tried reintalling python (2.5.1), and R (first
> used 2.2.1(?), changed to 2.6.1 on reinstall), with no
> luck. The computer is older DELL laptop running
> windows XP. Any ideas on what might be going amiss,
> and what to do to fix it?
>
> Many thanks,
>
> -Hans Nesse
>
>
Try setting a system or user variable for R_HOME that points to your
installed version of R. I can't remember if it needs the path where the
exe is or the path including the exe.
Some computers just don't setup the paths or registry right on install.
Alex
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