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st: Graphs and multiple imputation


From   Fred Wolfe <fwolfe@arthritis-research.org>
To   statalist@hsphsun2.harvard.edu
Subject   st: Graphs and multiple imputation
Date   Sat, 19 Sep 2009 11:13:11 -0500

Using multiple imputation, I have made 200 data sets. The data are
stset. I can graph the hazard function using the MI sets with -sts
graph, hazard-. I would like to have confidence intervals (ci option).
But the CI is not correct without adjusting for the multiple
imputations. I can't find any suggestion on how to do this in the
Stata archives or on the internet. Does anyone have a suggestion on
how to incorporate the uncertainty of the MI data into the graph. This
question could be expanded to a more general one: how does on graph MI
daya?

Thanks,

Fred

--
Fred Wolfe
National Data Bank for Rheumatic Diseases
Wichita, Kansas
NDB Office  +1 316 263 2125 Ext 0
Research Office +1 316 686 9195
fwolfe@arthritis-research.org

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