Hi. Have you tried different start values (e.g., an identity matrix, pairwise covariance matrix, listwise covariance matrix)? Do they result in identical solutions?
Joe Schafer's section 3.3 in his 1997 book may offer some possibilities. Steve ---------------------------------------------------------------------------- ------------ Steve Gregorich University of California, San Francisco Department of Medicine 3333 California Street, Suite 335, Box 0856 San Francisco, CA 94143-0856 (FedEx and UPS use zip code 94118) [EMAIL PROTECTED] http://mywebpage.netscape.com/segregorich/index.html ---------------------------------------------------------------------------- ------------