Date: Wed, 17 Sep 2003 08:34:44 -0400
Reply-To: Art@DrKendall.org
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: "Arthur J. Kendall" <Art@DrKendall.org>
Organization: Social Research Consultants
Subject: Re: SPSS chokes, SAS computes principal components
In-Reply-To: <E19zYEZ-00031S-00@supermail.mweb.co.za>
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Look at the number of cases retained in the analysis.
Suggest that your client try
/missing = listwise
on the FACTOR procedure.
Also the she specify /extraction = PC
to see that she is using the same options in both packages.
Hope this helps.
Art
Art@DrKendall.org
Social Research Consultants
University Park, MD USA
(301) 864-5570
Alphonse Amey wrote:
> The question is " what is SAS printing out for your client?"
> I am not holding brief for SPSS, not am I bashing SAS.
> But it is always necessary to know what a package is doing
> with your data. For all you know, the SAS output could be garbage.
> Find out what each package is trying to do. DOnt use them like black boxes ---
> in goes data, out comes an output which is them treated like absolute truth!!!
>
> AKAA
>
>
>> I have a client who is trying to run factor analysis (principal
>>components) in SPSS using pairwise deletion but gets the message
>>"nonpositive definite matrix". When the same data is run in SAS
>>proc princomp SAS proceeds to do the analysis with no problem.
>>I just wondered if anyone on the list knows why SPSS comes to a
>>complete halt? (my client is unhappy because she has only SPSS
>>and can't get SAS, she is in a university in Turkey).
>>
>> Thanks,
>>
>> Sally in Seattle
>>
>>Sally Zitzer, C&C, Senior Computing Specialist, Statistical Software
>>sallyz@cac.washington.edu or sallyz@u.washington.edu (206)-543-8515
>
>
>
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