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Re: st: Decomposing logistic regression


From   Rajaram Subramanian Potty <rajara999@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Decomposing logistic regression
Date   Thu, 8 Oct 2009 10:09:35 +0530

I have seeen one article using the logistic regression for
decomposition and the reference is given below.

Borooah, V. K. (2004) On the incidence of diarrhoea among India
children, Economics
and Human Biology, 2: 119-138.


On Wed, Oct 7, 2009 at 5:09 PM, Maarten buis <maartenbuis@yahoo.co.uk> wrote:
> --- On Wed, 7/10/09, Rajaram Subramanian Potty wrote:
>> The estimated logistic equation can be used to predict the
>> probability conditional upon the relevant values of the
>> determining variable. Using these predicted probabilities,
>> one can compute, using the methodology of inequality
>> decomposition, how much of the over all inequality in these
>> probability can be explained by a particular factor.
>
> The concept of explained variance is pretty much unique to
> linear regression/OLS/ANOVA. Especially the decomposition
> of these variances rely heavily on linearity of the effects.
> There are pseudo R^2 for non-linear models like -logit-, but
> because the effects have to be non-linear I doubt whether
> one can decompose those.
>
> Hope this helps,
> Maarten
>
> --------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
>
> http://www.maartenbuis.nl
> --------------------------
>
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