Dear Nadia,
Sorry I can't work this issue out directly.
However, for more details and one example about Your question I would refer
You to the textbook by S. Juul. An Introduction to Stata for Health
Researchers. Stata Press, 2006: cap. 14 par 14.1 pp 209-211.
Kind Regards,
Carlo
Nadia wrote:
Hello
I know my question has an obvious response to some of you but I need
some insights. I'm preparing a database from a survey in which
individuals report their labour market status (employed, unemployed,
inactive, ...). My intent is to prepare this database to estimate
duration models on dismissed individuals and analye the influence of
some institutional changes on the duration of the unemployment spells.
I've been reading the book from Cleves et al. "An introduction to
Survival analysis using STATA" and the book from Colin Cameron and
Pravin Trivedi.
My question is the following: are the two following ways to organize
the data produce equal? After stset the first stabase, commands like
streg produce the same results in each of this cases.
1)
id date0 date1 event
1 05/05/2005 10/05/2005 1
1 11/05/2005 16/05/2005 1
1 17/05/2005 18/05/2005 2
2 05/05/2005 10/05/2005 1
2 11/05/2005 16/05/2005 2
2)
id spell(days) event
1 11 2
2 10 2
Best regards,
N�dia
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