Introduction to Stata 8
Introduction to Stata 8
Introduction to Stata 8
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DGE +(r.i.a1 ana18e 'ata e 'ata in memor8 <strong>to</strong> ?e e timeUo5UeQit .aria?1eW<br />
. // c:\dokumenter\proj1\gen.st.cancer1.do<br />
. use c:\dokumenter\proj1\cancer1.dta , clear<br />
.<br />
stset risktime , failure(died==1) id(lbnr)<br />
id: lbnr<br />
failure event: died == 1<br />
obs. time interval: (risktime[_n-1], risktime]<br />
exit on or before: failure<br />
-------------------------------------------------------------------------<br />
48 <strong>to</strong>tal obs.<br />
0 exclusions<br />
-------------------------------------------------------------------------<br />
48 obs. remaining, representing<br />
48 subjects<br />
31 failures in single failure-per-subject data<br />
62 <strong>to</strong>tal analysis time at risk, at risk from t = 0<br />
earliest observed entry t = 0<br />
last observed exit t = 3.25<br />
GB
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