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st: reshape without index
From
Caleb Southworth <[email protected]>
To
[email protected]
Subject
st: reshape without index
Date
Tue, 14 Jun 2011 12:47:09 -0700
I would like to set up these data for a an event history analysis and
use the -stset- command. Id is the organization id, begin is the begin
date, end is the end date. Here's a snippet:
+-----------------------------+
| id begin end |
|-----------------------------|
600. | 6119A 1947.716 1958.862 |
601. | 3158A 1948.269 1960.003 |
602. | 3216A 1948.504 1950.537 |
603. | 3192A 1948.558 1962.77 |
604. | 3119A 1949.483 1985 |
|-----------------------------|
605. | 3189A 1950.333 1959.403 |
606. | 9841A 1952.088 1985 |
607. | 9973A 1953.908 1954.176 |
608. | 3181A 1957.574 1958.74 |
609. | 3011A 1958.772 1971.583 |
|-----------------------------|
610. | 9951A 1958.789 1985 |
I want to end up with a dataset where year (decimal year) is the unit
of analysis and where a variable death=1 where year==end else death=0.
Do I need to reshape these data? Or is there a way to stset the data
for a stcox model in the current format?
Many thanks. --Caleb
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