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st: st: Using MVN for Multiple Missing Ordinal Variables


From   "Clifton Chow" <clifton_chow@post.harvard.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: st: Using MVN for Multiple Missing Ordinal Variables
Date   Sun, 08 May 2011 08:15:08 -0500

I have multiple missing values from a survey administered to a sample of just slightly over 150 persons.  The items are structured in a ordered likert scale of between 5 and 8 items.  I have checked missing patterns with misstable and most are not monotone.  I need to impute missing values and generate descriptive statistics.  I am wondering if Impute MI MVN method (mutivariate normal) with stata 11 would be appropriate for ordinal data?  If it is, once I generate the 10 imputed datasets, should I simply average the imputed values and adjust the variance?  Does anyone with experience working with missing values have any other suggestion for ordinal data? 

Many thanks

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