Graphical Detection of Non-Normality by Using Michael's Statistic
Michael的D_SP统计量是衡量数据偏离正态分布的有效指标，本文给出了其零分布的正态化变换，并展示了如何在常规正态概率图上绘制接受限，通过两个数据集进行了说明。
Michael's D SP is a useful index of departure from normality. A normalizing transformation for the null distribution of D SP over a wide range of sample sizes is given. D SP provides acceptance limits which may be drawn on a conventional normal probability plot. This feature is illustrated in two data sets