风险函数

风险函数可以叙述这种变化特点。

The hazard function may describe the characteristics of this pattern in changes of risk .

灵活的参数模型，通过使用限制性三次样条函数，使模型更稳定，生存与风险函数曲线与标准模型相比更平滑。

By using restricted cubic spline function , the flexible parameter survival model is more stable , the survival and hazard function curves are smoother than the standard model .

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

Those models call risk function models .

一种基于总量风险函数的改进BP算法

An Improved BP Algorithm Based on Gross Risk Function

相关风险函数VaR的上下界的估计

The Estimates of Lower and Upper Bounds of the Value-at-Risk for Functions of Dependent Risks

Levy分布参数估计的损失函数和风险函数的Bayes推断

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

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。

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 .

方法介绍了基于Cox模型与kaplan-meier法生存估计比较、Cox模型累积风险函数、schoenfeld残差和score残差的图示法。

Methods We introduce methods of comparing survival estimates based on Cox model with kaplan-Meier estimates , cumulative hazard functions , schoenfeld residuals and score residuals .

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。

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 .

采用无迹卡尔曼滤波（UnscentedKalmanFilter，UKF）产生粒子，以较少的粒子逼近状态的后验概率分布，搜索到经验风险函数的最小值。

Unscented Kalman filter ( UKF ) is utilized to select particles , rendering smaller number of particles to approximate the posterior probability distribution , thus converging at global minimum of experimental loss function .

伊朗南部Kerman省天疱疮患者存活率和风险函数测定

Determination of survival and hazard functions for pemphigus patients in Kerman , a southern province of Iran

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。

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 .

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。

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 .

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。

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 .

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。

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 .

风险函数在点估计理论结构中的应用

An application of risk function in point estimation theory structure

基于风险函数的资产泡沫模型与拟合

Asset Bubble Model Based on Hazard Rate Function and Related Data Fitting

基于效益风险函数的电磁环网风险评估与控制

Risk Assessment and Control of Electromagnetically Coupled Power Loop Based on Benefit Risk Function

新型风险函数下的最优再保险

Optimal Reinsurance under New Risk Functions

在K&NN判别和预测中条件风险函数的估计量的强收敛性

The strong convergence of the estimates for the conditional risk functions in k-NN discrimination and prediction

矩阵损失下的协方差阵∑的二次型估计的风险函数

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

给出了其倍率风险函数有严格解析形式的例子。

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

实证分析比较了不同风险函数下投资组合的有效前沿，并验证了该方法的有效性。

The numerical analysis compares the efficient frontiers of portfolio selection under various risk measures , and shows the validity of the method .

以自由路径表征可以通过的自由空间，引入风险函数评估碰撞的风险。

By finding the best " free road " and estimating the " danger ", all information needed in path planning was then compressed .

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。

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

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。

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

由于系统方程中的一些式子中有两个风险函数，所以使用数值模拟的方法分析系统的可靠性。

Since some of the system equations have two hazard functions involved , the numerical simulation methods are used to analyze the reliability of the system .

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。

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 .

DB2UDB和IDS的对象-关系功能允许我们扩展数据库功能，以便在数据库中包含风险计算函数。

The object-relational capabilities of DB2 UDB and IDS allow us to extend the database capabilities to include the risk calculation functions in the database .

建立了作为Markov链的非线性构形状态转移过程的转移速率与屈服应变风险率函数之间的关系。

The relationship among the transition rates of the s tructural NCS evolution process , a Markov chain , and the hazard rates function o f the yielding strain is built up .