【exact_test】什么意思_英语exact_test的翻译_音标_读音_用法_例句_在线翻译

exact test
美 [ɪɡˈzækt test]

精确检验：在统计学中，精确检验是一种检验方法，当原假设成立时，测试统计量的分布满足所有推导过程中的假设。使用精确检验可以提供一个在所需显著性水平下维持测试的Ⅰ类错误率（α）的显著性检验。例如，在显著性水平为5%的精确检验中，当在许多满足原假设的样本中重复进行时，最多会拒绝5%的样本。这与近似检验不同，近似检验只能近似维持所需的Ⅰ类错误率（即：测试可能会拒绝>5%的样本），而这种近似可以通过使样本量足够大来尽可能接近α。

确切概率法

此时应该在SPSS卡方检验中选择使用Exact Test(确切概率法)，当理论频数小于5的格子比例达到或超过20%时，卡方检验时，这里面有好多种情况: 如果理论次数小于5的格子不超过20%(你的表里是0...

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短语

Fisher exact test 精确检验 ; 检定 ; 检验法

Fisher's Exact Test 确切概率法 ; 费希尔精确检验 ; 精确概率法 ; 确切概率

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法学

·2,447,543篇论文数据，部分数据来源于NoteExpress

abstract: In statistics, an exact (significance) test is a test where all assumptions upon which the derivation of the distribution of the test statistic is based are met, as opposed to an approximate test, in which the approximation may be made as close as desired by making the sample size big enough. This will result in a significance test that will have a false rejection rate always equal to the significance level of the test.

以上来源于: WordNet

Objective:To analyze the exact test for presbyopic ADD.

目的：探讨老视近附加的科学检测方法。

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Machine vision is a kind of efficient and exact test method in the system of inspecting assembled quality of automobile synchronizing rings.

采用机器视觉技术对同步环装配与否进行检测，是一种高效准确的在线检测方法。

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更多双语例句

He had the exact same kind of test, elevated testosterone levels.

NPR: Landis Fired from Team, Faces Tour Title Loss
Officials anticipate multiple missions will be required to satisfy the test program objectives, but the exact number of missions has not been determined.

ENGADGET: USAF relaunches its first X-37B on a slightly less mysterious spaceflight
That The Governor was able to so easily find Andrea first in the field and then later in the exact building she was hiding in failed to pass the sniff test.

FORBES: Connect

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