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A modified logrank test for censored survival data under order restrictions

Author

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  • Liu, P. Y.
  • Wei Yann Tsai

Abstract

We previously proposed a class of ordered weighted logrank tests for analyzing censored survival data under order restrictions. However the power of these tests is asymmetrical with respect to possible alternative configurations and could be inferior to the non-ordered logrank test in extreme cases. A modified ordered logrank test is proposed to remedy this situation. The test is shown to be asymptotically locally equivalent to the generalized Jonckheere's test but computationally simpler.

Suggested Citation

  • Liu, P. Y. & Wei Yann Tsai, 1999. "A modified logrank test for censored survival data under order restrictions," Statistics & Probability Letters, Elsevier, vol. 41(1), pages 57-63, January.
  • Handle: RePEc:eee:stapro:v:41:y:1999:i:1:p:57-63
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    Cited by:

    1. Bhattacharjee, Arnab, 2004. "A Simple Test for the Absence of Covariate Dependence in Hazard Regression Models," MPRA Paper 3937, University Library of Munich, Germany.
    2. Arnab Bhattacharjee, 2009. "Testing for Proportional Hazards with Unrestricted Univariate Unobserved Heterogeneity," Discussion Paper Series, School of Economics and Finance 200904, School of Economics and Finance, University of St Andrews.

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