Empirical likelihood confidence band for the difference of survival functions under proportional hazards model

Mai Zhou and Shihong Zhu

Statistics & Probability Letters, 2015, vol. 107, issue C, 228-235

Abstract: Under the stratified Cox model, an empirical likelihood based simultaneous confidence band for the difference of two individualized survival functions is proposed. Simulation studies demonstrate its superiority over the normal approximation based competitors.

Keywords: Chi-square distribution; Stratified Cox model; Two-sample comparison (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1016/j.spl.2015.08.016

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