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Article #1235Re: ill-conditioned matrix
From: FOLGER
Date: Thu, 01 Jul 1993 18:29
Date: Thu, 01 Jul 1993 18:29
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1619 bytes
Davis Snailmail..........................Davis A. Foulger Internet: FOLGER@WATSON.IBM.COM IBM T.J. Watson Research Center Prodigy: XFRR20A P O Box 218, Yorktown Ht, NY 10598 Tony Downing concludes that: > Every time I have tried factor analysing such > simulated data, the result has been at least two factors with eigenvalues > greater than 1, and at least two factors by the Scree Test - and I have > never had factor loadings appear with values greater than 1. Eigenvalue greater than one is just one criterion for selecting the number of factors. I would expect, given your description, that one of the eigenvalues was quite high and that the second was just barely greater than one and more on less in line with other eigenvalues when plotted. Did you look at the plot of eigenvalues? Davis
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f5efb,a35fa259d6a1f0f5 X-Google-Attributes: gidf5efb,public X-Google-ArrivalTime: 1993-07-01 12:51:58 PST Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU Path: arc1-ca.pugleaf.net!gmd.de!xlink.net!howland.reston.ans.net!paladin.american.edu!auvm!WATSON.BITNET!FOLGER Return-Path: <@AUVM.AMERICAN.EDU,@VTBIT.BITNET:owner-stat-l@VM1.MCGILL.CA> Return-Path: <Folger@OLIVAW.watson.ibm.com> X-External-Networks: yes Message-ID: <9307011732.AA0894@OLIVAW.watson.ibm.com> Newsgroups: bit.listserv.stat-l Date: Thu, 1 Jul 1993 13:29:12 EST Reply-To: Folger@WATSON.IBM.COM Sender: Stat-l Discussion List <STAT-L@MCGILL1.BITNET> From: FOLGER@WATSON.BITNET Subject: Re: ill-conditioned matrix Lines: 20