分组次数分配 grouped frequency distribution 分组观察值 grouped observations 分组卜瓦松分布;分组卜瓦松分配 grouped Poisson distribution ..
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In the paper a method that estimates poverty measures from grouped observations is provided. Empirical study shows that poverty measures of rural house holds of China are almost monotone decreasing.
论文提出一种由分组数据测算贫困度的方法,并利用这种方法测算我国农村近年来的贫困度。
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