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Date:   Tue, 15 Aug 2006 20:30:38 -0500
Reply-To:   Gary Rosin <grosin@stcl.edu>
Sender:   "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:   Gary Rosin <grosin@stcl.edu>
Subject:   Loss function for log-likelihood nonlinear regression of proportion via Inverse Logit
In-Reply-To:   <001201c6c0d2$657d1840$6500a8c0@P2660>
Content-Type:   text/plain; charset="us-ascii"; format=flowed

I have aggregated data for proportion of persons passing an high-stakes exam. I'd like to use a logit transformation of the proportion to do a multinomial regression against predictors. I want more information than that in probit/logit in SPSS.

I'm trying nonlinear regression, but would like to use log- likelihood as a loss function instead of least-squares.

How do I specify the loss function in nonlinear analysis?

--- Prof. Gary S. Rosin grosin@stcl.edu South Texas College of Law 1303 San Jacinto Voice: (713) 646-1854 Houston, TX 77002-7000 Fax: 646-1766

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