estimators

CoxProportionalHazard	Cox Proportional Hazards.
ParametricDiscreteTimePH	Parametric Discrete Time Proportional Hazards.
KaplanMeierSurvivalEstimator	The Kaplan-Meier estimate of the survival estimation.
KNeighborsSurvival	Survival curves implementing the k-nearest neighbors vote.
CoxNeuralNetPH	Artificial neural network proportional hazards Model.
AalenAdditiveHazard	Aalen Additive Hazards.
CoxPHElasticNet	Cox Proportional Hazards with Elastic Net penalty and feature shrinkage.