Inverse Probability of Censoring Weights
Habitat Suitability for Breeding Bird Communities
Prediction of Body Fat by Skinfold Thickness, Circumferences, and 
        Bone Breadths
Class "boost\_family": Gradient Boosting Family
Control Hyper-parameters for Boosting Algorithms
Gradient Boosting with Smooth Components
Gradient Boosting with Component-wise Linear Models
Survival Curves for a Cox Proportional Hazards Model