检验样本是否突变的方法

检验样本是否突变的方法

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
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yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveAtmospheric regions

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检验样本是否突变的方法

 

(1)设计一个系统量Ty来检验时间点前后系列是否遵从同一个分布:

式中,y为序列中的一个时刻;M1M1S1S2分别为该时刻前(N1)(N2)元素的平均值和标准差。

(2)从序列变化的平均振幅角度,定义统计量Ty,考证Ty的大小来制定y时间点上是否存在突变:

式中,y为时间点;M1M2S1S2y时间点前后序列的平均值和标准差。

 

参考文献

张丕远,葛全胜:气候突变:有关概念的介绍及一例分析――我国旱涝灾情的突变。地理研究,1990,9(2)

 

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How to Cite

《资源环境数学模型手册》 (2018). 检验样本是否突变的方法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/face7d5c-3d39-4657-a68f-15a1783d2ba7
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Last modifier : 
Anxun Ren
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2020-10-31
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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
Anxun Ren
Last modify time : 
2020-10-31
Modify times : 
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