单峰分布偏度计算公式改进的研究
首发时间:2009-05-07
摘要:单峰分布包括对称的正态分布与不对称的偏斜分布,需要用变异指标偏度来判定单峰分布是否对称及偏斜的程度。由于传统偏度的计算公式客观存在着不足的问题,而造成判定的误差。《单峰分布偏度判定方法的探究》对现有偏度的计算公式进行了初步的改进,但并非完善。本文在此基础上再作进一步的改进。目的是:客观反映单峰分布的偏斜程度。
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Unimodal distribution formula to improve the
Abstract:Unimodal distribution, including symmetrical and asymmetrical distribution skewed distribution, the need for oblique degree with variation indicators to determine whether the unimodal distribution of the degree of symmetry and skew. Oblique degree as a result of the traditional formula for calculating the objective existence of the problem of insufficient to determine the error caused. \" Unimodal distribution oblique degree decision method inquisition\" to the existing formula for calculating the oblique degree an initial improvement, but not perfect. In this paper on the basis of further ameliorate. The purpose is: an objective reflection of the skewed unimodal distribution of the extent.
Keywords: Unimodal distribution Oblique degree Determinant Normal distribution Skewed distribution
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