| 关于信号的统计显著性 |
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| 引用本文： | 朱永生. 关于信号的统计显著性[J]. 中国物理 C, 2006, 30(4): 331-334 |
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| 作者姓名： | 朱永生 |
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| 作者单位： | 中国科学院高能物理研究所,北京 100049 |
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| 摘 要： | 基于实验测量的p值和正态函数积分概率之间的对应关系, 提出了实验测量中信号统计显著性的定义, 它对于“计数”实验和连续检验统计量这两种情形都适用, 并给出了计算信号显著性的相应公式.
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| 关 键 词： | 统计显著性 p值 正态概率 似然比 泊松分布 |
| 收稿时间： | 2005-09-08 |
| 修稿时间： | 2005-09-082005-10-25 |
On Statistical Significance of Signal |
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| ZHU Yong-Sheng. On Statistical Significance of Signal[J]. High Energy Physics and Nuclear Physics, 2006, 30(4): 331-334 |
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| Authors: | ZHU Yong-Sheng |
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| Affiliation: | Institute of High Energy Physics, CAS, Beijing 100049, China |
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| Abstract: | A definition for the statistical significance of a signal in an experiment is proposed by establishing a correlation between the observed p-value and the normal distribution integral probability, which is suitable for both counting experiment and continuous test statistics. The explicit expressions to calculate the statistical significance for both cases are given. |
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| Keywords: | statistical significance p-value normal probability likelihood-ratio Poisson distribution |
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