变差系数 meaning in Chinese
coefficient of variation
variation coefficient
Examples
- Upper confidence limits of coefficient of variation for normal distribution
正态分布变差系数置信上限 - Coefficient of variation
变差系数 - But if there is a topographic heterogeneity , the maximum relative difference of surface grid effective infrared radiation is about 30 % ~ 40 % . the magnitude of deviation is mainly determined by grid average elevation
而当考虑海拔高度的非均匀性时，有效辐射通量计算的相对误差可达30 40 ，取决于平均高度和变差系数大小。 - The results show that the runoff supply of kuitun river basin has the characteristics of perpendicularity and diversification , the runoff supply sources are glaciers thawing water and rainwater firstly and secondly are seasonal snows thawing water and groundwater
本文采用奎屯河流域各水文站径流系列资料，选取变差系数、年际极值比、集中度、集中期等参数，分析了奎屯河流域径流补给特性、来源、年内分配规律及年际变化特征。 - Discusses the characteristic values on individual stock risk with the standard deviation , variance ( 2 ) , standard deviation coefficient ( cv ) and coefficient measurement , construct the individual on stock ' s statistics index system on investment risk . 2 . discuss the characteristic of standard deviation , variance , variance - covariance matrix to measure the investment risk of stock portfolio
第二章“证券投资风险的度量”分为三个小节： 1 、讨论单个证券风险用标准差( ) 、方差( ~ 2 ) 、变差系数( cv )以及系数度量，构造了单个证券的投资风险统计指标体系； 2 、讨论了用标准差和方差、方差?协方差矩阵、方差?协方差矩阵的特征值来度量组合证券的投资风险； 3 、计算了衡量证券组合系统性风险的系数值，并分析了系数的含义和预测能力的可靠性。