mean-variance的例句大全

It's very important to understand what the mean-variance frontier actually means.

要理解边界上的平均方差真正的含义是非常重要的.

An algorithm based on inverse matrix for mean variance portfolio selection model is proposed.

介绍均值方差资产组合选择模型的一种以逆矩阵为基础的算法.

Firstly, we deal with the mean-variance frontier of arbitrage portfolios under investment proportion limitations.

因此, 考虑到现实应用,对套利组合的分析也须研究存在投资权重限制时的选择问题.

So the methods of mean variance exaggerate the extent of the risk.

因此,方差方法夸大了风险的程度.

The moment equations are developed which provide the mean, variance and skewness of carbon dioxide concentartion.

最后所推导出之动差方程式更可推算出二氧化碳浓度之平均, 变异数及偏态系数值.

The mean variance, capital rated and capital interest arbitrage are also devised.

并设计了均值方差模型, 资本资产定价模型和资本资产套利模型.

Lastly, looked from the percentage of the forecast mean variance contribution, the contribution of the company capital growth rate is the dominant position regardless of mean variance decomposition of stock market NRR or the companies capital growth rate. 5.

从预测均方误差的贡献百分比来看，无论是企业资本增长率还是股票市场正常收益率的预测均方误差分解，企业资本增长率的贡献都占主导地位。

Comparative Study between Mean Absolute Deviation Model and Mean-Variance Portfolio Selection Model

绝对离差风险测度模型与均值方差模型的比较研究

As a measure of risk, mean absolute deviation is better than variance in a sense.

作为度量风险的标准, 绝对离差比方差更为合适.

Under distribution , each eigenvalue can be described by its mean and variance.

正态假定下的均值、方差可用来描述这种分布特性.

while in water and irrigable land, the mean, variance was a little bit low, the grey level was symmetry;

水体和灌溉耕地的均值、方差值很低，灰度值均匀，内部变化小；

The relationship between mean of CT number and variance of CT number to axial deformation are parabolas.

CT数的均值、方差随轴向变形变化关系曲线呈抛物线形式。

With covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.

该算法采用协方差匹配技术，依据滤波新息，动态调整测量噪声方差，使融合系统的均方误差始终最小。

A traffic anomaly detection algorithm based on steady model is proposed. Both weighted mean value and variance statistics method are used to build and update the steady model. Furthermore ROC curve method is used to assess performance.

提出了一种基于稳态模型的流异常检测算法，采用加权均值和方差计算相结合的统计学方法对网络流量稳态模型进行建模和更新，并使用ROC曲线进行异常检测模型的性能评估。