[问答] 请教有关Gehans wilcoxon test [推广有奖]

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Amber19782008 发表于 2008-5-23 10:29:00 |AI写论文

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请问各位大牛，今天看文献，用了 Gehan's wilcoxon test 检验，用以检验2条某种生物在2种条件下随时间的死亡百分比曲线，查了书，也没弄懂是怎么回事！有懂的请给以赐教，非常感谢！

这是一种什么检验，为什么在没有平行的情况下可以检验2条百分比曲线的差异？

[此贴子已经被作者于2008-5-23 10:48:53编辑过]

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关键词：wilcoxon wilcox Gehans test Est test Gehans wilcoxon

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hanszhu 发表于2楼查看完整内容

The Wilcoxon signed-rank test is a non-parametric alternative to the paired Student's t-test for the case of two related samples or repeated measurements on a single sample.A statistical test was proposed extending the Wilcoxon test to arbitrarily right-censored samples. The test is particularly applicable to comparing two survival distributions in aclinical trial when there is a mixture of ...

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hanszhu 发表于 2008-5-24 02:03:00

The Wilcoxon signed-rank test is a non-parametric alternative to the paired Student's t-test for the case of two related samples or repeated measurements on a single sample.

A statistical test was proposed extending the Wilcoxon test to arbitrarily right-censored samples. The test is particularly applicable to comparing two survival distributions in a
clinical trial when there is a mixture of individuals who have died and others who are still alive in each group.