Abstract:We develop a new procedure called "pseudo value method" (PVM) that can handle ultra high-dimensional variable selection problems for semiparametric survival models. While there has only been the sure independence screening (SIS)-type strategy for ultra high-dimensional life-time data so far in literature, the new unified methodology covers a much broader class of survival models including general transformation models and the accelerated failure time (AFT) model. The proposed method is versatile because the co… Show more
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