risk function

The risk function of the quadratic estimate for the covariance matrix Σ under a matrix loss function

矩阵损失下的协方差阵∑的二次型估计的风险函数

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Those models call risk function models.

这些模型组合在一起称为风险函数模型（risk function models）。

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The synthetic decision plan of manifold climate forecasts is presented. The risk function of decision making is the sum of error squares, and its model is the synthesis of positive weights.

根据气候预测的特点，提供了以误差平方和为风险函数，以正权综合为模式的多途径气候预测决策方案。

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" These results may come as surprise as low thyroid function is commonly regarded as a risk factor for cardiovascular disease," said van Heemst.

凡•亨蒙斯特称，这些研究结果可能令人非常惊讶，因为甲状腺功能低下通常被认为是心血管疾病的风险因素。

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Reflected Brownian motion is used to construct the model of random interest rate. We define the critical death rate of risk function and analyze the adventure of life insurance, hence provide the insurance company with method.

随机利率采用反射Brownian运动建模，通过风险函数的临界点，对保险经营中盈亏风险进行系统分析，为保险公司决策提供了方法和理论依据。

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In this thesis. Bayesian and empirical Bayesian theory are used to estimate the scale parameter of the double exponential distribution and the loss function and risk function of the Weibull distribution.

本文将贝叶斯，经验贝叶斯理论应用于双指数分布族的刻度参数估计和Weibull分布的损失函数和风险函数的估计。

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Risk function, which is usually used in engineering seismic hazard analysis and earthquake prediction, and its meaning are analyzed.

同时，对工程地震和地震预报中常见的危险函数所反映的地震特征作了分析。

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Second, we obtain the bayes estimators of the loss function and risk function based on the conjugate prior distribution for the Weibull distribution, also discuss the conservative property and the rationality of these bayes estimators.

其次在共轭先验分布下给出了Weibull分布参数估计的损失函数和风险函数的贝叶斯估计，并讨论了它们的保守性和合理性。

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In order to identify the slight mulfunction of facility correctly and timely, a Support Vector Machine ( SVM) algorithm based on risk function is put forward.

为实现对设备轻微故障的正确识别和及时诊断，该文提出了一种基于损失函数的支持向量机（SVM）算法。

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The risk factors were polymicrobial infection, poor heart function, peripheral arterial embolism, early PVE and aortic valve lesion.

多种细菌感染、心功能、周围动脉栓塞、早发性人工瓣膜心内膜炎、主动脉瓣病变为危险因素。

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Bayes Inference for the Loss and Risk Function in Levy Distribution Parameter Estimation

Levy分布参数估计的损失函数和风险函数的Bayes推断

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Under the conjugate prior distribution, the Bayes estimators of the loss function and risk function for the estimators of Parameter 1/ θ of Γ( r,θ) are investigated. Then the property and the rationality of the Bayes estimators are discussed.

在共轭先验分布下本文给出了Γ分布Γ（r，θ）中参数1/θ的估计的损失函数和风险函数不同的Bayes估计，并讨论了各种Bayes估计的性质，进而指出各种Bayes估计的合理性。

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At first, a minimax risk function is proposed to measure the risk of portfolio in the paper.

然后，引入一种非线性隶属函数更加形象地描述了投资者对投资收益和投资风险的满意程度；

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They don't understand the risk management function of it.

人们没有意识到其所起的风险管理职能。

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Examples for which the precisely analytic form of doubling rate-risk function is available are provided.

给出了其倍率风险函数有严格解析形式的例子。

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Firstly, under the conjugate prior distribution, we obtain the Bayes estimators of the loss function and risk function for Γ parameter estimator and normal variance estimator, also discuss the conservative property and the rationality of these Bayes estimators.

首先，在共轭先验分布下给出了Γ分布参数估计，正态分布方差估计的损失函数和风险函数的Bayes估计，并讨论了它们的保守性质和合理性。

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For the learning process, a new kind of empirical risk function is proposed which is differentiable and can be minimized by gradient descent strategy.

对于参数的学习，提出了一种适用于分类器的可微经验风险函数，该函数能够有效地利用梯度下降法进行最小化。

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Risk function based SVM algorithm and its application to a slight malfunction diagnosis

基于损失函数的SVM算法及其在轻微故障诊断中的应用

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The push to allocate more resources to the risk function started in the wake of the credit crunch but no end is yet in sight.

向风险管理部门配置更多资源的动作始于信贷紧缩发生之后，但目前还看不出何时会终止。

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Bayesian Inference for the Loss and Risk Function of Parameter Estimators

参数估计的损失与风险的贝叶斯推断

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Then put the whole age interval changes in the mortality risk function shown above, and we use this subparagraph function as amended by year changes in mortality first linear regression analysis, the mortality estimates by the next fews years.

于是就把全年龄区间的死亡率随年龄的变化用分段函数表示出来了，并且我们把这个分段函数修正出来的死亡率随年份的变化情况用线性回归来分析，得到未来几年的死亡率估计值。

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We discussed the effect produced by risk function on deciding rule between two parameter estimators, gave a probability rule for choosing estimator.

探讨了风险函数对评判参数估计优劣的影响，提出了衡量估计优劣的一个概率判定准则。

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However, patients with impaired ventricular function also have an increased risk of adverse effects from antiarrhythmic drugs.

然而心室功能受损也使抗心律失常药更易出现毒副作用。

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An application of risk function in point estimation theory structure

风险函数在点估计理论结构中的应用

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In the paper, the detecting scheme is discussed, and the risk function is calculated.

文中给出了鉴定方案，并进行了风险计算和信度分析。

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Abstract: For the normal distribution N(μ,σ 2), when σ 2 is known, the Bayesian estimators of loss function and risk function under different criterions are obtained, and the properties of these estimators are also studied.

本文给出了在方差已知的情况下，正态分布期望参数的估计的损失与风险在不同的先验分布下的贝叶斯估计，并研究了其性质。

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Results: The risk factors of higher incidence rate were age ≥ 60 years, worse preoperative pulmonary function ( FEV1/ FVC < 70%), total pneumonectomy, volume of blood loss during operation ≥ 400 ml, non-install analgesia pump.

结果：年龄≥60岁、术前肺功能差（FEV1/FVC

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An Improved BP Algorithm Based on Gross Risk Function

一种基于总量风险函数的改进BP算法

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The future contract which was born under the modern economic system, by its price discovery function and the circumvention risk function, occupies the main superiority in the commodity exchange.

现代经济体系下诞生的期货合约，以其价格发现功能和规避风险功能，在商品交易上占据主要优势。

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A method of outlier detection in re-gression is proposed making use of the character of structure risk function and KT condition in support vector regres-sion in this paper.

该文利用支持向量回归算法中结构风险函数的性质以及KT条件，提出一种回归中的异常值检测方法。

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