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st: STATA command for clustering at two levels during a Stepwise Binary    Logistic Regression Analysis
From 
 
Marina Richardson <[email protected]> 
To 
 
[email protected] 
Subject 
 
st: STATA command for clustering at two levels during a Stepwise Binary    Logistic Regression Analysis 
Date 
 
Tue, 08 Dec 2009 11:47:56 -0500 
I am performing Forward and Backward Stepwise Binary Logistic Regression Models for which I would like to account for clustering at two levels. The option for clustering at one level is simply cluster(PATID) however I would like to also control for clustering at DOCID. Does anyone know if this is possible and what the syntax is for the command? Thank you.
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