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st: xtlogit, excluding individuals with few obs

From   Dirk Nachbar <>
To   statalist <>
Subject   st: xtlogit, excluding individuals with few obs
Date   28 Sep 2005 10:23:55 +0100

Dear all

I want to run xtlogit with many explanatory variables, but some individuals have only few observations. Now I need to find a neat way to exclude those which have few obs. In pseudocode this would be

for id=1 to 10000

drop rows(id) if numobs(id)<4


But how do I do this is STATA?

Dirk Nachbar

Assistant Economist


Department for Work and Pensions

Level 4, The Adelphi

1-11 John Adam St

WC2N 6HT London

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