install.packages('survMisc')ggplot for an rpart objectggplot for a survfit objectcoxph modelSurv objectcoxph or survfit modeltime and status to a
right-censored survival object, ordered by timecoxph modelscoxph or survfit modelgam
or Cox Proportional Hazards coxph Modelmulti.coxph objectcoxph modelscoxph modelsSurv, survfit and coxph objects