Boosted nonparametric hazards with time-dependent covariates

27 Jan 2017Donald K. K. LeeNingyuan ChenHemant Ishwaran

Given functional data from a survival process with time-dependent covariates, we derive a smooth convex representation for its nonparametric log-likelihood functional and obtain its functional gradient. From this we devise a generic gradient boosting procedure for estimating the hazard function nonparametrically... (read more)

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