无穷方差序列均值变点的Ratio检验Ratio test for mean change-point in infinite variances sequence
皮林;王丹;
摘要(Abstract):
研究了无穷方差序列均值变点的检测问题.首先基于CUSUM函数,通过Ratio检验方法,构造无穷方差序列均值变点的比率检验统计量,其次证明了检验统计量在原假设和备择假设下的极限分布,最后数值模拟表明本方法对无穷方差序列均值变点检测的有效性.
关键词(KeyWords): 无穷方差序列;均值变点;Ratio检验
基金项目(Foundation): 陕西省科技计划项目(2018JQ1075);; 陕西省教育厅专项科研计划项目(15JK1737)
作者(Authors): 皮林;王丹;
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