Title page for etd-0624106-143625


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URN etd-0624106-143625
Author Shih-hsun Chang
Author's Email Address No Public.
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Department Applied Mathematics
Year 2005
Semester 2
Degree Master
Type of Document
Language English
Title Parameter estimation in proportional hazard model with interval censored data
Date of Defense 2006-06-16
Page Count 31
Keyword
  • Interval-censored data
  • Turnbull algorithm
  • Cox proportional hazard model
  • Nelson-Aalen estimate
  • Abstract In this paper, we estimate the parameters $S_0(t)$ and $ eta$ in Cox proportional hazard model when data are all interval-censored. For the application of this model, data should be either exact or right-censored, therefore we
    transform interval-censored data into exact data by three di®erent methods and then apply Nelson-Aalen estimate to obtain $S_0(t)$ and $ eta$. The test statistic
    $hat{ eta}^2I(hat{ eta})$ is not approximately distributed as $chi^2_{(1)}$ but $chi^2_{(1)}$ times a
    constant c.
    Advisory Committee
  • Fu-Chuen Chang - chair
  • Mei-Hui Guo - co-chair
  • Chin-San Lee - advisor
  • Files
  • etd-0624106-143625.pdf
  • indicate in-campus access immediately and off_campus access in a year
    Date of Submission 2006-06-24

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