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st: imputation- multiple imputation

From   ann e fitzmaurice <>
Subject   st: imputation- multiple imputation
Date   Wed, 17 Dec 2003 11:38:59 +0000


i have a data set with missing data on both continuous and categorical data
, for example smoking status (non smoker, ex smoker and smoker) i would
like to impute values for the missing data, my problem relates to the
categorical data, what techniques are available for imputing missing
categorical data and what programs would i need for the imputation, i have
access at the moment to spss and stata , if possible any references to the
use of missing data imputation would also be useful

i also believe that Patrick Royston has written some imputation function for Stata - how may i obrain this

a suggestion has been made that i try resample and hotdeck , would this be appropriate for the problem above??



ann e fitzmaurice
medical statistician
dugald baird centre for research on women's health
dept of obs and gynae
aberdeen maternity hospital
tel 01224 553876
fax 01224 553708

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