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RE: st: Imputing values from bracketed responses


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Imputing values from bracketed responses
Date   Mon, 15 Jun 2009 14:28:44 +0100

That's 2007, not 1997. 

Nick 
n.j.cox@durham.ac.uk 

Maarten buis

--- On Thu, 11/6/09, diebold@email.unc.edu 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.


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