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RE: st: influence statistic for probit models

From   "Visintainer, Paul" <PAUL_VISINTAINER@NYMC.EDU>
To   <>
Subject   RE: st: influence statistic for probit models
Date   Tue, 31 Jul 2007 15:25:08 -0400

Thanks, Maarten.  I just wanted to make sure it wasn't something amiss
with my installation.


Paul F. Visintainer, PhD
Professor and Chair
Department of Epidemiology and Biostatistics
School of Public Health
New York Medical College
PH: (914) 594-4804
FX: (914) 594-4853
-----Original Message-----
[] On Behalf Of Maarten buis
Sent: Tuesday, July 31, 2007 2:53 PM
Subject: Re: st: influence statistic for probit models

--- wrote:
> Can anybody tell me whether Pregibon's "dbeta" is also suitable for
> probit models? If not, are there other measures to detect
> "influential/ high-leverage points"?

After -glm- with the probit link you can -predict- the Cook's distance.

Hope this helps,

Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

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