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st: finding the last date among multiple date variables


From   "Jonathan Kaplan" <jonathankaplan2@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: finding the last date among multiple date variables
Date   Fri, 14 Jun 2002 09:29:52 +0200

Sorry for this novice question ,but been searching by findit, ssc and statalist without luck(using Stata7SE):

I have data on HIV-related Non Hodgkin lymphoma patients with multiple date variables: I would like to generate a new datevariable which keeps the date of the time-variable, which has the last date recorded for each patient.
There are several missing date values within each variable.
e.g:the timevariables which could be the last followup are deaddat, opddat,hospdat,hivrnadat,statlymdat,lostdat

Any ideas for a simple solution?

Jonathan



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