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A Study on the Symbolic Variation Calculation on the Basis of Precision and Deconstruction
Author(s): 
Pages: 102-114
Year: Issue:  6
Journal: The Journal of Quantitative & Technical Economics

Keyword:  标准差 均差 标准差系数 均差系数;
Abstract: 标准差在反映标志变异程度上存在着准确性低、误差大的致命性缺陷,并且缺乏解构性功能。本文从平均差原型计量公式出发,推导出具有精准性和解构性兼备的均差计量模型,阐述和证明了均差所具有的10条数学性质。此外,本文提出了新的离散系数计量模型,并运用负数转正取值的最近邻性和分母、分子对称位移性原理,有效地解决了均值X为负数和零值条件下的离散系数计量难题。
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