[S] baseline hazard function

Suet-Lam Mui (slm868@leprosy.anu.edu.au)
Mon, 23 Mar 1998 11:45:13 +1100

Dear S-news readers,

It is not obvious to me how to obtain the hazard and baseline
hazard functions for a Cox proportional hazards model in S-Plus.
For example, the estimated hazard function for the i'th subject
with explanatory variables Xi


How can I obtain the function hi(t) or ho(t)? and also
Are those functions stepwise with each step corresponding
to the observed death time in the data?

I am using version 3.4 under the UNIX.

Thank you for your help in advance.


Ms Suet-Lam Mui Email:slm868@nceph.anu.edu.au
(PhD student, Health Economics)
National Centre for Epidemiology Tel.: +61 6 2495612
& Population Health (NCEPH) Fax.: +61 6 2490740
Australian National University
ACT 0200

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