Re: eofunc - percentage of variance explained

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Mon Jun 24 2013 - 13:17:32 MDT

'eofunc' code is at:

http://www.cgd.ucar.edu/~shea/eof_scripps.f

This is David Pierce's code ... slightly modified.
http://meteora.ucsd.edu/~pierce/eof/eofs.html

I am sure NCL's is correct! :-)

D
On 06/24/2013 10:41 AM, Kyle Griffin wrote:
> Hi all,
>
> I'm currently trying to duplicate the previous efforts of a colleague in
> calculating some EOFs. While their work, done with MATLAB, and my work
> in NCL have come out to be very similar in a qualitative sense, the
> quantitative aspects are slightly different. Most of these differences
> are made apparent in terms of the percentage of variance explained.
> While I see some discussion of this in ncl-talk discussions from many
> years ago, I haven't found anything particularly conclusive yet. In
> order to trace the source of the differences as best as possible, I was
> wondering if someone on the NCL team could share the eofunc source code
> with me.
>
> Also, if anyone on the list has any insight as to why the percentage
> explained between NCL and MATLAB might be inherently different, I'd be
> interested in hearing it. Thanks!
>
>
> Kyle
> ----------------------------------------
> Kyle S. Griffin
> Department of Atmospheric and Oceanic Sciences
> University of Wisconsin - Madison
> Room 1421
> 1225 W Dayton St, Madison, WI 53706
> Email: ksgriffin2@wisc.edu <mailto:ksgriffin2@wisc.edu>
>
>
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Received on Mon Jun 24 13:17:42 2013

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