نتایج جستجو برای: type i censoring

تعداد نتایج: 2221056  

Journal: :Communications in Statistics - Simulation and Computation 2018

2002
GANG LI CUN-HUI ZHANG

Ž . are observed instead of the usual Y , Z , where I for some censori i i Y T 4 i i ing times T . This observation scheme is also called the binary choice model i Ž . Coslett 1987 and Case 1 interval censoring Groeneboom and Wellner Ž . 4 4 1992 . We assume that the errors are independent of Z , T and are i i i Ž . i.i.d. variables with a common distribution F t . Situations involving interval...

Journal: :Journal of Modern Applied Statistical Methods 2009

2015
Huimin Li Dong Han Yawen Hou Huilin Chen Zheng Chen

A common problem that is encountered in medical applications is the overall homogeneity of survival distributions when two survival curves cross each other. A survey demonstrated that under this condition, which was an obvious violation of the assumption of proportional hazard rates, the log-rank test was still used in 70% of studies. Several statistical methods have been proposed to solve this...

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