Assume that the counting processes have intensity processes of the form cesses of the form where the Yi(t) are at risk indicators and the xi are binary covariates taking the values 0 or 1. Show...

Assume that the counting processes

have intensity processes of the form

cesses of the form

where the Yi(t) are at risk indicators and the xi are binary covariates taking the values 0 or 1. Show that the score test for the null hypothesis

is the log-rank test.