using baseline function in proc phreg with strata and diradj

[ehertzmark]

if i have a variable for strata in a proc phreg and i am computing the baseline hazard function using diradj, will the computations within the strata be based on the covariate distribution in the whole data set or only that in each stratum?

[SAS_Rob]

The BASELINE data set will contain, for every covariate pattern, an observation at each unique event time.   If you have a stratified model, i.e. - are using the STRATA  statement, then this architecture continues for each strata.  This holds true when you also use the DIRADJ because it is based upon the stratum-specific estimated survival function.  For the specific details about the direct adjusted survival curve for each stratum, please see the link to the documentation below.

SAS Help Center: Survivor Function Estimators