The Bias of Kaplan-Meier Integrals
针对删失数据下的Kaplan-Meier估计，推导了其积分偏差的展开式和显式公式，并给出了紧的上下界，对生存分析研究者有参考价值。
Let P, denote the Kaplan-Meier estimator of a lifetime distribution function computed from a sample of possibly censored data. For an arbitrary function (o we derive an expansion and an explicit formula for the bias of f p dF,, from which sharp lower and upper bounds are readily available.