Em Qua 30 Abr 2008, Fabian Hefner escreveu:
> Here is an example:
>
> itm ID exercise time
> 1.401869 1 0 1
> 1.324390 1 0 2
> 1.324390 1 0 3
> 1.333338 1 0 4
> 1.346761 1 0 5
> 1.315441 1 1 6
> 1.337812 2 0 1
> 1.319915 2 0 2
> 1.351235 2 1 3
> itm is the covariate;
> ID is the subject Id;
> exercise indicates if the subject is dead=1 or alive=0
>
> How can I allocate the multiple records to one subject (for example record
> 1-6 are part of subject with ID 1 record 7-9 are part of subject with ID2)
> and process a survival regression.
Hi,
If I got it, the time must be converted to time to death, your table must be:
> itm ID exercise time to death
> 1.315441 1 1 6
> 1.351235 2 1 3
The problem is your itm covariate, may be it must be converted to de
difference between the first value and the last value.
Inte
Ronaldo
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> Prof. Ronaldo Reis Júnior
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