A k-sample test with interval censored data
区间删失数据的多样本检验AI 解读 ↓
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区间删失数据的多样本检验AI 解读 ↓
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The problem of testing for the equality of k distribution functions under Case 2 interval censoring is studied and a supremum-type test statistic is proposed based on the differences between the nonparametric maximum likelihood estimator and the so-called leveraged bootstrap estimator of the k underlying distributions. The proposed test is distributionfree and consistent against all alternatives. As the main results hold for a wide range of resampling sizes, a data-driven method is suggested for determining the size of each leveraged bootstrap sample. Another advantage of the test is that it can detect different distributions with equal means or heavy crossover. Simulation studies indicate that the test performs quite well with a moderate sample size. Finally, a slightly modified version of the test is applied to breast cosmesis data.
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高维数据下的非可分模型
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半参数与非参数条件矩模型的筛法 Wald 与 QLR 推断
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