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Re: st: combining different observations from a person


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: combining different observations from a person
Date   Mon, 5 Nov 2012 08:52:24 +0000

-help collapse-



On Mon, Nov 5, 2012 at 8:44 AM, Dudekula, Anwar <dudekulaan@upmc.edu> wrote:

> I have a dataset with multiple observations for many patients.
> I have included two observations for the same patient that were formed when two data sets were appended.
> *******************************************************************************************************************
>                                       Numericalvar1     Numericalvar2 StringVar3 Stringvar4 Stringvar5  Numericalvar6
> observation 1 Patient 1                 0               2       Male       abdomen
> Obervation 2 Patient 1          1               2                               chest           3
> ******************************************************************************************************************
> Observation 1 doesnt have any  values for var5 and var6
> Observation 2 has a different value for Var1, same value for var2 , no value for var3 and var 4
> I need to combine the two observation so that I get a final observation as follows
> *****************************************************************************************************************
>                                    Numericalvar1 Numericalvar2 StringVar3 Stringvar4 Stringvar5  Numericalvar6
> observation   Patient 1                 1               2                    Male          abdomen      chest           3
> ******************************************************************************************************************
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