Fit the PH model in the latency part with the GEE approach.
1 |
Status |
the censoring indicator, normally 0 = event of interest happens, and 0 = censoring |
Lambda |
initial cumulative baseline hazard function from the GEE with independence working corrlation matrix. |
X |
a matrix of covariates corresponding to the latency part. |
beta |
initial beta for the GEE for the latency part. We use 0 as the initial value. |
w |
conditional probability of a patient remains uncured at the mth iteration. We use Status as initial value. |
id |
a vector which identifies the clusters. The length of |
corstr |
a character string specifying the correlation structure. The following are permitted: |
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