Then it comparatively analyzes some basic statistic of CCFI and BDI, which include mean, standard deviation, skewness, kurtosis, autocorrelation, and so on.
第二章对CCFI和BDI及CCFI分航线指数之间平均收益率、标准差、偏度、峰度、序列相关性等基本统计量进行了比较分析。
Moreover, the profit of contrarian strategies is significantly improved when the mean-standard deviation ratio optimization allocation is used.
均值-标准差比率优化配置可以显著地提高反向策略的赢利。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。
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