[Ifeffit] "PCA not enabled" on Mac version of Demeter: Athena

[Ellen Daugherty]

Bruce and Frank,

Thank you for looking into this. Please let me know if there is any more
information I can provide that would be helpful in identifying the problem.

Regards,

Ellen

On Fri, Oct 3, 2014 at 1:15 PM, Schima, Frank <frank.schima at nist.gov> wrote:

>  Hi all,
>
>
>  While I’m unsure what PCA is, PDL and PDL::Stats are available and
> installed with Demeter(-devel) in Macports.
>
>  $ port installed | grep pdl
>   p5.16-pdl @2.7.0_5 (active)
>   p5.16-pdl-stats @0.6.5_0 (active)
>
>  I don’t have an explanation for what the problem might be. I won’t be
> able to look into this until Monday at the earliest.
>
>
> Cheers!
> Frank
>
>  On Oct 3, 2014, at 1:01 PM, Bruce Ravel <bravel at bnl.gov> wrote:
>
>
> Ellen,
>
> There is no a priori reason that PCA should not be available.  That said,
> Athena is careful to fail gracefully (i.e. with that message displayed)
> when it fails to find the bits that make PCA happen.
>
> My guess is it's a packaging issue on MacPorts.  Let's ask Frank!
>
>
> Frank,
>
> Are PDL and PDL::Stats dependencies for the Demeter package on MacPorts?
>
> A quick perusal of the available ports at macports.org suggests that
> there may not be a package for PDL::Stats for the version of Perl you are
> using.  That seems rectifiable....
>
> Thanks,
> B
>
>
> On 10/03/2014 02:50 PM, Ellen Daugherty wrote:
>
> Hello XAFS community,
>
> I recently upgraded to the new version of Demeter (0.9.20) for Mac and
> am trying to run principal components analysis on my spectra. When I
> click on "Principle components analysis" from the main menu, the window
> shows the following message:
> "PCA is not enabled on this computer.
> The most likely reason is that the perl modules PDL and/or PDL::Stats
> are not available."
>
> Perhaps the solution here is simple, but I am not familiar with perl
> modules and do not understand the source of the issue. I could not find
> information about this problem in the Mail Archive, though I may have
> missed something. Do I need to download the PDL perl modules separately
> from the Demeter installation? Could there be files that are not located
> in the proper directory? Or perhaps PCA is simply not available for Macs?
>
> Please let me know if further information would help in solving this
> problem.
>
> Thank you!
>
> Ellen
>
>
> --
> Graduate Student
> Research Assistant
> Department of Chemistry
> Colorado State University
>
>
> _______________________________________________
> Ifeffit mailing list
> Ifeffit at millenia.cars.aps.anl.gov
> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>
>
>
> --
> Bruce Ravel  ------------------------------------ bravel at bnl.gov
>
> National Institute of Standards and Technology
> Synchrotron Science Group at NSLS --- Beamlines U7A, X24A, X23A2
> Building 535A
> Upton NY, 11973
>
> Homepage:    http://bruceravel.github.io/home/
> Software:    https://github.com/bruceravel
> Demeter:     http://bruceravel.github.io/demeter/
>
>
>
> _______________________________________________
> Ifeffit mailing list
> Ifeffit at millenia.cars.aps.anl.gov
> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>
>


-- 
Ph.D. Candidate
Research Assistant
Department of Chemistry
Colorado State University
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://millenia.cars.aps.anl.gov/pipermail/ifeffit/attachments/20141007/2d24ed69/attachment.html>