PROC PHREG: Posterior Distribution :: SAS/STAT(R) 9.2 User's Guide, Second Edition

The PHREG Procedure

Denote the observed data by $\text{[math]}$ .

$\text{[math]}$

where $\text{[math]}$ is the partial likelihood function with regression coefficients $\text{[math]}$ as parameters.

$\text{[math]}$

where $\text{[math]}$ is the likelihood function with hazards $\text{[math]}$ and regression coefficients $\text{[math]}$ as parameters.

$\text{[math]}$

where $\text{[math]}$ is the likelihood function with log-hazards $\text{[math]}$ and regression coefficients $\text{[math]}$ as parameters.