查询词典 absolute deviation

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。

In this model we extend absolute deviation to a fuzzy case to measure the risk of portfolio.

为度量投资组合的风险，将绝对偏差扩展到模糊情形。

A method of target detection in infrared image sequences is proposed based on the least absolute deviation background predication.

本文提出了一种基于最小一乘背景预测的红外小目标检测算法。

A novel image fusion method based on the least absolute deviation is proposed and is tested for the IKONOS images.

本文提出了一种基于最小一乘融合方法的构建，并对IKONOS数据进行了对比试验。

By using the principle of least absolute deviation method , we will give a new priority method—least logarithm absolute deviation method.

利用最小一乘法原理，在层次分析中提出了一种新的排序方法——对数最小一乘法，并将其转化成线性规划问题求解，证明了对数最小一乘法的一些性质。

Earlier, when we calculated the range, the interquartile deviation, and average absolute deviation, the answers were expressed in the same units as the data itself.

当我们计算极差，四分点离差和平均绝对偏差时，答案的计量单位与数据单位量相同的。

When the random error is not subject to normal distribution, the least absolute deviation estimation is superior to the least squares estimation. In addition, the robustness of the least absolute deviation estimation is also better than that of the least squares estimation.

在随机误差不服从正态分布的问题中，最小一乘估计的统计性能优于最小二乘枯计；另外，最小一乘估计的稳健性更强。

The least absolute deviations are using widely used in engineering because of it s robustness,but the algorithm solving the least absolute deviation is not efficient.

最小一乘在稳健性上比最小二乘好，使得最小一乘在工程中得到广泛的应用，但求解最小一乘的算法并不理想；本文根据最小一乘的性质，把最小一乘问题变为组合优化问题。

First, we discuss several theories of risk measures respectively such as theories ofcoherent measures of risk, spectral measures of risk and distortion measures of risk.Within the framework of these theories, we discuss and compare standard deviation,mean absolute deviation, lower partial moment, Ginis difference, VaR, CVaR and soon. We conclude that CVaR is superior to other measures with respect to theoreticalproperties.

首先，本文分别讨论了一致风险测度理论、谱风险测度理论、失真风险测度理论和随机占优一致风险测度理论等风险度量评价理论，在这些理论框架内讨论和比较了标准差、平均绝对离差、下偏位矩、基尼均差、VaR以及CVaR等风险度量。

In the function of the transaction costs being concave function and more general market friction conditions, giving a algorithm of mean-absolute deviation model and the mean-average absolute deviation model under conditions.

在一般摩擦市场下交易费用函数为凹函数时，给出了均值—绝对偏差模型和均值—平均绝对偏差模型在此条件下的求解算法。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新