首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Smooth estimation of a monotone hazard and a monotone density under random censoring
Authors:Hendrik P Lopuhaä  Eni Musta
Institution:Delft Institute of Applied Mathematics, Delft, The Netherlands
Abstract:We consider kernel smoothed Grenander‐type estimators for a monotone hazard rate and a monotone density in the presence of randomly right censored data. We show that they converge at rate n2/5 and that the limit distribution at a fixed point is Gaussian with explicitly given mean and variance. It is well known that standard kernel smoothing leads to inconsistency problems at the boundary points. It turns out that, also by using a boundary correction, we can only establish uniform consistency on intervals that stay away from the end point of the support (although we can go arbitrarily close to the right boundary).
Keywords:isotonic estimation  hazard rate  smoothing  asymptotics  right censoring  Grenander estimator
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号