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stat.ML2017★ 5 cited
Boosted nonparametric hazards with time-dependent covariates
Donald K. K. Lee, Ningyuan Chen, Hemant 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 it…
stat.ML2016
Super-resolution estimation of cyclic arrival rates
Ningyuan Chen, Donald K. K. Lee, Sahand Negahban
Exploiting the fact that most arrival processes exhibit cyclic behaviour, we propose a simple procedure for estimating the intensity of a nonhomogeneous Poisson process. The estima…