Non-parametric Estimators

CensoringDistributionEstimator([conf_level, ...])	Kaplan–Meier estimator for the censoring distribution.
SurvivalFunctionEstimator([conf_level, ...])	Kaplan–Meier estimate of the survival function.
ipc_weights(event, time)	Compute inverse probability of censoring weights
kaplan_meier_estimator(event, time_exit[, ...])	Kaplan-Meier estimator of survival function.
nelson_aalen_estimator(event, time)	Nelson-Aalen estimator of cumulative hazard function.