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Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://home.fsw.vu.nl/m.buis/
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--- On Thu, 11/6/09, [email protected] 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,
Maarten
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