Du, PangMa, ShuanggeLiang, Hua2017-01-232017-01-232010-08-010090-5364http://hdl.handle.net/10919/744112092 - 2117 (26) page(s)In CopyrightStatistics & ProbabilityMathematicsSTATISTICS & PROBABILITYBackfittingpartially linear modelspenalized variable selectionproportional hazardspenalized partial likelihoodsmoothing spline ANOVAPROPORTIONAL HAZARDS REGRESSIONPARTIAL LIKELIHOODORACLE PROPERTIESLASSOPenalized Variable Selection Procedure for Cox Models with Semiparametric Relative RiskArticle - RefereedAnnals of Statisticshttps://doi.org/10.1214/09-AOS780384