A note on non-identifiability of mark survival function

被引：0
|
作者：
Wang, JT
Li, YF [1 ]
机构：
[1] Univ Houston Clear Lake, Dept Math Sci, Houston, TX 77058 USA
[2] Kean Univ, Dept Math & Comp Sci, Union, NJ 07083 USA
来源：
JOURNAL OF NONPARAMETRIC STATISTICS | 2005年 / 17卷 / 08期
关键词：
inconsistency; mark variable; non-identifiability; survival function;
D O I：
10.1080/10485250500421023
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
The so-called mark variable which combines both quantity and quality of a patient's life is a tempting measure in evaluation of therapies. The survival function of such mark variable, referred to as mark survival function in this note, is a primary interest in many applications. Much effort has been made on the estimation for this survival function. Nevertheless, we show in this note that mark survival function is unidentifiable under conventional assumption. Illustrative examples are provided to confirm the non-identifiability of mark survival function.
引用
收藏
页码：989 / 994
页数：6
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