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On the Choice of Variance for the Log Rank Test
Vol. 71, No. 1 (Apr., 1984), pp. 65-74
Stable URL: http://www.jstor.org/stable/2336398
Page Count: 10
You can always find the topics here!Topics: Statistical variance, Censorship, Rank tests, P values, Estimators, Unbiased estimators, Sample size, Absolute value, Censored data, Statistical estimation
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The log rank test is widely used for comparison of survival curves. This paper examines various estimators for the variance of the log rank test statistic. These include the Mantel-Haenszel variance, the permutation variance of Peto & Peto and several newly proposed estimators. The results generalize to a class of test statistics proposed by Tarone & Ware.
Biometrika © 1984 Biometrika Trust