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Date:   Wed, 10 Jan 2007 05:30:40 -0800
Reply-To:   ErikLater <eriklater@GMAIL.COM>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   ErikLater <eriklater@GMAIL.COM>
Organization:   http://groups.google.com
Subject:   MAMBAC
Comments:   To: sas-l@uga.edu
Content-Type:   text/plain; charset="iso-8859-1"

Hi! Anyone with a good syntax or chain of commands in SPSS to measure MAMBAC (means above means under a cut) and MAXCOV (maximum covariance)? And, if you just want to help me save time, syntaxes for measuring positive predictive value, negative predictive value, specificity and sensitivity.

I have a data set with N persons, and n persons have diagnosis A. To get diagnosis A, they need to have 5 or more out of 8 possible dichotomous criteria.

I want to check the reliability of those criteria, mainly by positive predictive value, negative predictive value, specificity and sensitivity. Thereafter I need to check if they are measuring a single taxonometric property, by using the MAMBAC- and MAXCOV-procedure.

Anyone?

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