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Re: 1. Updating PSPP 2. Factor Scores in PSPP Factor Analysis

From: John Darrington
Subject: Re: 1. Updating PSPP 2. Factor Scores in PSPP Factor Analysis
Date: Mon, 6 Jul 2015 06:44:39 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Jul 06, 2015 at 12:44:44AM +0000, H. Burshtyn wrote:
     1. I can see that there are PSPP modules dated later than the date I first 
starting using PSPP but don't know how to get??PSPP easily??updated (as I get 
updates to most programs I use). I suppose I could just uninstall the program 
and re-install the latest version, but that does not seem very elegant.

Obviously that depends on your operating system and how you installed PSPP in 
the first place.

On most systems, "doing an install" when there is already an older package 
installed has the
effect of updating it.  For example, on debian based operating systems simply 
 "apt-get install pspp" will install pspp if it is not already installed, and 
will overwrite
it with the most recent available version otherwise.  I believe that RedHat and 
SuSE both
have similar methods.  - Refer to the instructions for your system.

On the other hand, if you installed PSPP manually from source, then 
uninstalling and reinstalling
is probably safest.  Refer to the file called INSTALL which comes with the 
tarball (In case you
have lost that file, you can read it online at )

     2. The factor analysis program produces a matrix of what I can use as 
regression weights to calculate factor scores for each case but that's clumsy 
and time-consuming. Most such programs including SPSS produces these on request 
as part of the analysis specs. Any chance of PSPP doing this? (Maybe I'll find 
it's been done as a result of the answer to question 1 above.)

So far as I can recall, the only recent update to FACTOR has been to include 
PROMAX rotation.

I guess what you're asking for is the /SAVE subcommand which SPSS has - or 
perhaps the /MATRIX subcommand ?
If you can spell out your requirements, then perhaps it could be achieved in a 
future version.



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