= list(years = c(1,         2, 3, 3)), deathexact = TRUE, control = list(fnscale = 4000,         maxit = 10000))
## 
## Maximum likelihood estimates
## Baselines are with covariates set to their means
## 
## Transition intensities with hazard ratios for each covariate
##                   Baseline                    years                 
## State 1 - State 1 -0.18557 (-0.21108,-0.1631)                       
## State 1 - State 2  0.14434 ( 0.12310, 0.1693) 1.0911 (1.0359,1.1491)
## State 1 - State 4  0.041