multivariate normal distribution

  • 释义

    多元正态分布

数据更新时间:2026-08-22 22:30:28
1、

traditional portfolio theory based on multivariate normal distribution assumes that investors can benefit from diversification by investing in assets with lower correlations in order to avoid risk.

基于多元正态分布的投资组合理论认为,投资者可以通过投资于低相关性的不同资产规避风险,资产间的相关性可以通过线性相关系数来度量。

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2、

then it can establish the estimators of means and covariance matrix of the multivariate normal distribution, and estimate their confidence limits and intervals in each state.

文中详细讨论了多个状态下二元正态分布均值和方差的无偏估计和置信区间估计。

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3、

however, in fact, a product often has multiple interrelated performance characteristics which may not follow the multivariate normal distribution.

然而,实际上,一个产品往往具有多个相互联系且未必呈多元正态分布的性能特征。

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4、

the professor explained the complex multivariate normal distribution in class.

教授在课堂上讲解了多元正态分布。

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5、

this paper gives the probability nature of multivariate normal distribution and distribution. also discussed is how to test variance of 2-dimensional normal distribution.

给出了多维正态分布与x~2分布的概率性质,讨论了在小样本检验中如何检验同方差的二维正态分布的方差问题。

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6、

considering process information isn't always subjected to multivariate normal distribution, a new process monitoring method is provided here, which is based on the idea that the process information is driven by a few of components as independent as possible.

由于过程信息并非均服从正态分布,根据过程信息能够用若干尽可能独立的过程特征信号进行描述的原理,提出了一种基于独立元分析的过程监控方法。

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7、

at last, the relations between multivariate poisson distribution and multinomial distribution or multivariate normal distribution are given.

最后给出了多元Poisson分布与多项分布以及多元正态分布之间的关系。

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8、

the question of interval estimation for the generalized variance in multivariate normal distribution is discussed. the improvement of the best affine equivariant interval estimation both in coverage probability and in length is given.

讨论了多元正态分布广义方差的区间估计问题,给出了在覆盖率及长度上均优于最优仿射同变区间估计的改进估计。

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