Date:         Fri, 1 Mar 1996 15:56:35 GMT
Reply-To:     "Paul A. Thompson" <pat@po.CWRU.Edu>
Sender:       "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From:         "Paul A. Thompson" <pat@PO.CWRU.EDU>
Organization: Case Western Reserve University, Cleveland, OH (USA)
Subject:      Re: proc guttman

In a previous article, jkennedy@uclink3.berkeley.edu (jae kennedy) says:
 
>Does anyone have a brief explanation of why Guttman scalograms have been
>dropped from recent versions of SAS and SPSS?  One of my dissertation
>advisors wants me to do a scalogram of limitations in activities of daily
>living by age group on the 1990 and 1991 SIPP Topical Module on Functional
>Limitation and Disability.  I assume that there is a good reason why this
>procedure has fallen out of favor, and I would rather present him with a
>cogent arguement on why this is unnecessary instead of calculating the
>coefficients of reliability and scalability by hand.  Any advice or
>direction would be greatly appreciated.
 
I am certain that these could be done quite easily in IML.  IML is  a
handy way of working in many things which are not done in straight SAS.
If you can set up the scalability coefficients by hand, you can do it in IML.
--
Paul Thompson, Ph.D.     |  This is a Rorshach .sig file.  Stare hard at
Department of Psychiatry |  the following terms, and tell me what you see:
Case Western Reserve Univ|  KJA:HJSDiJL*T**&h*&*e&kjrlkJeLKJ,L**M&&&r*&*.
Cleveland, OH  44106     |  JHJHGJSHrDHJeSHHeWUYnUYUjYWJeHJHaMNMnXJJsYJY!