Data Science, Machine Learning, Rstats, Startup.
ceiling(as.numeric(now() - first_date, units="weeks") / 8)) %>% group_by(started_period, os) %>% do_survfit(weeks_on_service, is_churned) R Packages used in this post CRAN - Package survival Contains the core survival analysis routines, including definition of Surv objects, Kaplan-Meier and