| 峰检验及在中国人均GDP分布中的应用 |
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| 引用本文： | 张学新. 峰检验及在中国人均GDP分布中的应用[J]. 曲阜师范大学学报, 2013, 0(4): 18-21 |
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| 作者姓名： | 张学新 |
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| 作者单位： | 湖北工程学院数学与统计学院,湖北省孝感市432000 |
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| 摘 要： | 讨论了4种单变量密度函数的峰数检验，应用于中国人均GDP年度数据相关序列的分布检验，·发现一个带漂移项的随机游走过程．这为检验地方政府GDP统计数据的真实性提供一种新方法．
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| 关 键 词： | 核密度估计 单峰对双峰检验 随机游走 GDP统计数据的真实性 |
Multimodality Tests with Applications to the Analysis of Related Data Set on China Per Capita GDP |
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| ZHANG Xue-xin. Multimodality Tests with Applications to the Analysis of Related Data Set on China Per Capita GDP[J]. Journal of Qufu Normal University(Natural Science), 2013, 0(4): 18-21 |
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| Authors: | ZHANG Xue-xin |
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| Affiliation: | ZHANG Xue-xin (School of Mathematics and Statistics, H ubei Engineering University,432000, Xiaogan, Hubei, PRC) |
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| Abstract: | Four tests for the number of modes in univariate probability density function are discussed, which can be used to test for homogeneity of related data series on China per capita GDP. The results sug- gest that the natural log of the GDP per Capita in China is a random walk process with drift, which pro- vides a new method to test the authenticity of local government GDP data. |
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| Keywords: | Kernel density estimation unimodality vs bimodality test random walk the authenticity oflocal government GDP data |
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