Actually, it doesn't have to be positive definite.

David Nichols Principal Support Statistician and Manager of Statistical Support SPSS Inc.

> -----Original Message----- > From: Nichols, David [SMTP:nichols@spss.com] > Sent: Friday, October 23, 1998 5:26 PM > To: SPSSX-L@UGA.CC.UGA.EDU > Subject: Re: eigenvalues of reduced R > > If it's positive definite, form it as data, take it into the MATRIX > command/language, and use EVAL or CALL EIGEN. > > David Nichols > Principal Support Statistician and > Manager of Statistical Support > SPSS Inc. > > > -----Original Message----- > > From: Dicon Montford [SMTP:dicon@BIGFOOT.COM] > > Sent: Tuesday, October 20, 1998 1:52 PM > > To: SPSSX-L@UGA.CC.UGA.EDU > > Subject: eigenvalues of reduced R > > > > Can anybody tell me the syntax I would need to use > > to compute eigenvalues from a reduced correlation > > matrix using SPSS? > > > > Thanks in advance, Dicon Montford