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st: RE: Analyzing Multiple Records in Stata


From   Nick Cox <[email protected]>
To   "'[email protected]'" <[email protected]>
Subject   st: RE: Analyzing Multiple Records in Stata
Date   Tue, 8 Mar 2011 18:56:09 +0000

This is a -reshape- followed by -egen, rowmean()-. 

Nick 
[email protected] 

Erin Mead

I am sure there is probably an easy way to do this in Stata, but I
cannot figure it out. I am working with a data set in which the
participants were interviewed multiple times (up to 9). Each row of
the data set is for one interview with one participant. So, each
participant has 9 rows, one for each interview. Like so:

id       interview      var1     var2   ...
2            1              5.5      6.9
2            2              3.4      9.0
...

There are only a few variables in the data set. I would like to create
one row for each participant, and each variable be the average of that
variable across the interviews. This isn't a survival analysis (there
are no failures), so I thought stset would be inappropriate. Any
suggestions?


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