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2011 Sep 17
0
Warning in 'probtrans'-function ('mstate'-package)
...Markov model cox1 <- coxph(Surv(Tstart, Tstop, status) ~ (v1.1 + v2.1) * v3.1 + (v1.2 + v2.2) * v3.2 + (v1.3 + v2.3) * v3.3 + strata(trans), SLV, method = "breslow") summary(cox1) # 'cloned' data for making predictions: specific covariate 'v3' fixed at 0 (& 1): SLV0 <- SLV[1:3,] SLV0$v3.1 <- 0 SLV0$v3.2 <- 0 SLV0$v3.3 <- 0 SLV0$strata <- 1:3 SLV1 <- SLV0 SLV1$v3.1 <- 1 SLV1$v3.2 <- 1 SLV1$v3.3 <- 1 # estimate... msf.0 <- msfit(cox1, SLV0, trans=tmat) pt.0 <- probtrans(msf.0, predt=0) # [..output:] # Warning me...