# # Stanford predictions in other ways # fit2 <- survreg(Surv(time, status) ~ poly(age,2), stanford2, dist='lognormal') p1 <- predict(fit1, type='response') p2 <- predict(fit2, type='response') aeq(p1, p2) p3 <- predict(fit2, type='terms', se=T) p4 <- predict(fit2, type='lp', se=T) p5 <- predict(fit1, type='lp', se=T) aeq(p3$fit + attr(p3$fit, 'constant'), p4$fit) aeq(p4$fit, p5$fit) aeq(p3$se.fit, p4$se.fit) #this one should be false aeq(p4$se.fit, p5$se.fit) #this one true