[R] Rmpi loading error

[Uwe Ligges]

On 23.01.2012 20:05, Tom Porteus wrote:
> I am running R 2.14.1 on a Windows XP (32 bit) system, and am trying to
> install the package 'Rmpi' to allow me to parallel process on all cores of a
> quad-core PC (and if that works well, I want to add extra slaves from a
> dual-core laptop).  Rmpi appears to install OK (see below), but I am
> encountering the following error when I try and load the package:
>
>
>
>> utils:::menuInstallLocal()
>
> package 'Rmpi' successfully unpacked and MD5 sums checked
>
>> library(Rmpi)
>
> Error in library(Rmpi) :
>
>    package 'Rmpi' does not have a NAMESPACE and should be re-installed
>


That mean you have not installed a binary package that has been built 
for R-2.14.x for Windows, but something else, probably for a much older 
version. You need more recent version (e.g. by trying to install it from 
sources yourself).

Uwe Ligges



>
> I have attempted to re-install Rmpi several times without success (both Rmpi
> 0.5-9 and 0.6-0 from local ZIP files).  As suggested on the developer
> website for Rmpi (http://www.stats.uwo.ca/faculty/yu/Rmpi/) I am using
> MPICH2 as my MPI implementation and I have followed the 'Rmpi for Windows'
> installation instructions detailed there, and MPICH2 appears to be running
> properly.
>
>
>
> Does anyone have an insight into the nature/cause of the namespace issue and
> how I can resolve it?  I will be most grateful!
>
>
>
> Many thanks,
>
>
>
> Tom
>
>
> 	[[alternative HTML version deleted]]
>
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