File: testnull.s

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survival 2.29-1
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#
# A test of  NULL models
#
fit1 <- coxph(Surv(stop, event) ~ rx + strata(number), bladder, iter=0)
fit2 <- coxph(Surv(stop, event) ~ strata(number), bladder)

all.equal(fit1$loglik[2], fit2$loglik)
all.equal(fit1$resid, fit2$resid)


fit1 <- coxph(Surv(start, stop, event) ~ rx + strata(number), bladder2, iter=0)
fit2 <- coxph(Surv(start, stop, event) ~ strata(number), bladder2)

all.equal(fit1$loglik[2], fit2$loglik)
all.equal(fit1$resid, fit2$resid)