参考文献 (kaplanmeier)

1. Elisa T.Lee, John Wenyu Wang.2003.Statistical Methods for Survival Data Analysis, 3th edition.Wiley-Interscience.

2. David W.Hosmer Jr, Stanley Lemeshow.1999.Applied Survival Analysis: Regression Modeling of Time to Event Data.Wiley-Interscience.

3. Kaplan E.L, and Meier P.1958.Non-parametric estimation from incomplete observations.J.Amer.Statist.Assoc.Vol.53, pp 457-481.