Sequential testing of the equality of two survival distributions using the modified Savage statistic

作者: JAMES A. KOZIOL , A. JOHN PETKAU

DOI: 10.1093/BIOMET/65.3.615

关键词: MathematicsStatisticsSample size determinationSequential analysisStatisticScale shiftExponential functionSequential probability ratio test

摘要: Sequential procedures based on the modified Savage statistic are proposed for testing equality of two survival distributions when observations singly censored. Asymptotic properties, including expected sample sizes and power against contiguous exponential scale shift alternatives, examined. Comparison is made with a Mantel-Haenszel (Muenz, Green & Byar, 1977).

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