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st: re: fw: question

From   Kit Baum <>
Subject   st: re: fw: question
Date   Tue, 9 Dec 2008 18:02:42 -0500

< >
Marjan asked

levelsof id, local(ID)

foreach I of local ID {
	hprescott myvar if id == `I', stub(foo)

egen foo = rowmax(foo*_*)

This code shouldn't run at all (beyond the first ID) because it will try to reuse the same variable names for each ID. You need to make the stubs vary by ID, like


You will then get foo1.., foo2..., etc. and you can use the rowmax trick on them.

Kit Baum, Boston College Economics and DIW Berlin
An Introduction to Modern Econometrics Using Stata:

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