1) correlation coefficient τ
相关系数τ
1.
In the case of futures portfolio, dynamic matrix of correlation coefficient τ could be computed to weigh the correlation of the price changes of the different futures.
对期货组合,我们通过引入相关系数τ计算其动态迁移相关系数矩阵,由此来衡量不同期货合约之间价格相关性的变动,从而站在风险对冲的角度建立模型对期货组合的风险水平进行评估,确定其保证金水平。
2) Kendall
Kendall秩相关系数τ
3) (α,τ) limited similarity relation
(α,τ)限制相似关系
1.
Variable precision rough sets model based on(α,τ) limited similarity relation
基于(α,τ)限制相似关系的变精度粗糙集模型
4) τ cofficient
τ系数
1.
Through the study of the numbers of permutations and maxim which have the same reverse order , we get the recurring formula,with which we can extend the Kendall τ cofficient table which is frequently applied in mathematical statistics in the condition of any natural number.
由此将数理统计中常用的肯达尔 τ系数临界值表从 n=1 0扩展到 n为任意自然数的情形 ,并特别给出了 n=2 0情形下的 τ系数临界值表 ,扩大了 τ系数进行独立性检验的实用范
5) coefficient of correlation
相关系数
1.
Analyzing with coefficient of correlation, no obvious correlation was found between the hibernant larva density and the harm level of 1st generation of Asian corn borer (ACB) in Baoding, Hengshui, Ningjin, Langfang, and Zhangjikou city of Hebei province.
对河北省保定、衡水、宁晋、廊坊和张家口等地亚洲玉米螟越冬幼虫的虫口密度与第1代发生程度的关系,用相关系数方法分析结果,相关均不显著。
2.
Blind Source Separation(BSS) technology can improve signal to noise ratio in receiver,this paper presents a approach of improvement for the performance of Infomax algorithm by training sequence in communications,and gives simulation based on coefficient of correlation and performance index(PI),simulation results shows that the approach can enhance SNR and the conve.
盲分离技术(BSS)在通信中使用时有助于提高接收信噪比,提出通过一种利用通信信号的训练序列来改善Infomax算法的收敛性能的方法,并分别以相关系数和性能指数作为比较标准进行仿真,结果显示该方法能改善接收信号的信噪比,加快Infomax盲分离算法的收敛速度。
3.
This article introduced the concept and properties of coefficient of correlation, and offered three methods of proving the properties.
介绍了相关系数的概念、性质,并对它的性质给出了3种不同的证明方法。
6) correlation coefficient
相关系数
1.
Tree-based compensation of correlation coefficients for full covariance modeling;
基于树的相关系数补偿满方差建模技术
2.
Reliability sensitivity to the correlation coefficients among random variables;
随机变量间相关系数的可靠性灵敏度
3.
Stochastic resonance based on correlation coefficient in parallel array of threshold devices;
并行阈值阵列中基于相关系数的随机谐振(英文)
补充资料：τ系数
见社会统计学。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条