采用代数综合法求得机构输出总位移的均值和方差,建立了机构运动功能可靠性的分析模型。
The algebra synthesis method is used to obtain the expectation and variance of the assemble responses. The reliability model of mechanism motion function can be built.
最后根据调查数据,利用随机和模型给出了药店毛利百分数的均值、方差以及分位点。
In the end, the average, variance and quantiles of profit margin of drugstores are obtained from survey data.
本文主要研究了纵向数据模型的均值参数和方差参数的统计诊断问题。
In this paper, we consider the diagnostics for the mean and covariance parameters in longitudinal data model.
提供的算例表明,对于随机汇流模型,不仅可以给出均值出流过程,而且同时可以给出其方差过程。
The computing cases show that both the mean discharge process and variance process can be given for the stochastic flow concentration model.
本文概述了国内外在马克·维茨均值-方差模型领域的研究成果。
The paper summarized domestic and international research results in the field of Markowitz s mean-variance model.
我们首次研究了方差加权和均值漂移的混合模型,得到了相应的诊断统计量。
We study the diagnostic model with case-weights and mean-shift simultaneously, and some new diagnostic statistics are derived.
本文提出了一种单因子异方差模型,导出这种异方差分析方法,并给出了模型中均值与方差的估计。
This paper presents a single factor heteroscedastic model, deduce a method of this heteroscedastic analysis, and presents the estimation of mean and variance in this model.
研究了带有约束的均值漂移和方差加权的混合非线性回归模型.得到了相应的一阶和二阶诊断统计量。
We study restriction of Nonlinear Regression Diagnostic Models with case-weights and meanshifte simultanously, and some new diagnostic statistics are derved.
同时,提出的统计ss2 M模型与SPICE蒙特卡罗分析结果比较,均值的平均误差在4.16%以内,而方差的平均误差在3.06%以内。
The proposed statistical SS2M model has an average error of 4.16% with respect to SPICE Monte Carlo simulations, with an average error of standard deviation of only 3.06%.
马柯维兹均值—方差模型使用收益率的方差度量证券的风险,但是实际分布呈尖顶胖尾状,使得方差可能不存在。
Markowitz's mean variance model describes the risk of asset by variance, but variance may not exist because of fat tailedness of asset returns.
本文主要介绍了在不考虑风险因素下的收益率法和引入风险因素的马科·维兹均值方差模型。
The paper mostly introduces the yield without considering risk factor and the Markowits Model which has considered risk factor.
对证券市场包括股票市场中的一些经典方法有:均值-方差分析法、APT理论、CAPM模型、B-S期权定价模型等。
Some of classical analytical methods about Security market, including stock market have Mean-Variance analytics, APT theory, CAPM model, B-S options pricing model, etc.
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。
The mean variance, capital rated and capital interest arbitrage are also devised.
特别地,模型的系数可选择得与股票收益分布的实际估计评均值、方差、挠度和峭度相匹配,因而就可能产生出与实际观测的股票收益分布较为一致的期权价格。
Particularly, parameters of model can be chosen to match empirically estimated mean, variance, skewness, and kurtosis of the stock return distribution. The model thus has the potential to produce…
第二章讨论了均值方差原理下的再保险最优化模型及其适用条件,针对停止损失再保险,得出个体模型与集合模型下的最优结论。
Chapter 2 discusses reinsurance optimization model under mean-variance principle. Aiming at change stop loss reinsurance, it derives optimal conclusions of both individual model and collective model.
本文基于辨识 ARMA新息模型生成估计残差序列 ,再对残差序列的平均值和无偏方差进行假设检验 ,可实现工序质量的异常诊断。
In this paper, a method of process quality diagnosis using hypothesis testing for residual sequence of ARMA innovation model estimation error by recursive maximum likelihood method was studied.
在经典均值-方差模型的基础上,提出了存在交易费用时基于风险价值约束的资产配置模型。
On the basis of the classical mean-variance model, the article proposes the asset allocation model with value-at-risk constraint and transaction cost.
为了诊断具有异方差的线性回归模型的异常点,建立了具有异方差的均值漂移模型和数据删除模型。
The data deletion model and the mean drift model are equivalent in a general linear regression model.
为了诊断具有异方差的线性回归模型的异常点,建立了具有异方差的均值漂移模型和数据删除模型。
The data deletion model and the mean drift model are equivalent in a general linear regression model.
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