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Re: st: Imputing values from bracketed responses

From   Maarten buis <>
Subject   Re: st: Imputing values from bracketed responses
Date   Mon, 15 Jun 2009 08:28:49 +0000 (GMT)

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen

--- On Thu, 11/6/09, wrote:

> I have a data set where respondents were asked for
> continuous values for variables such as income.  If
> individuals were unsure of a specific value they were
> provided with intervals (0-10,000, 10,001-20,000,
> 20,001-30,000...) and asked to select which interval best
> approximated their income.  I would like to replace
> these bracketed responses with continuous values.

Maybe this article helps:
Patrick Royston (1997) Multiple imputation of missing values: further update of ice, with an emphasis on interval censoring. The Stata Journal, 7(4):445--464.

Hope this helps,


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