查询词典 loss function

First, we obtain the empirical Bayesian estimator of the scale parameter for the double exponential distribution based on LINEX loss function and the convergence rate of the estimate.

首先利用非对称的LINEX损失函数对双指数分布族刻度参数进行了经验贝叶斯估计，并讨论了该估计的性质，给出了收敛速度。

In the case of NA samples, the parameter for scale exponential family is discussed using empi- rical Bayes methods. Moreover, we investigate the statistical analysis of life data in reliability tests. Firstly, based on the LINEX loss function, we obtain the empirical Bayesian estimator for parameter of the one-side truncated-type distribution families and the scale exponential family under NA samples, also discuss the estimators?

在非对称的LINEX损失函数下，我们首先给出了一类单边截断型分布族、刻度指数族参数的经验Bayes估计NA样本情形），并讨论了该估计的收敛性质，在某些条件下，证明了本文给出的经验Bayes估计是渐近最优的，且给出了收敛速度。

Since the number of parameters is very finite game theory is introduced to portray the discriminant in speech recognition and thus continuous loss function is unnecessary.

由于该算法引入的参数较少，作者引入了对策论的相关知识描述了语音识别中的模式区分问题，从而使得连续损失函数不再必要。

Our analysis shows that it is important to have a reasonable yardstick to assess the relative merits of competing models. Based on the viewpoint of a hedger, we recommend the hedging error to be the loss function in judging out-of-sample performance.

我们的分析显示用一个合理的评价标准去衡量不同模型间相对优点是相当重要的，基於避险者的角度，我们建议使用避险误差作为损失函数来评定样本外的绩效。

A method is put forward to find the better ε of the ε-non-sensitive loss function based on the particle swarm optimization. The simulation result shows the regression support vector machines take far fewer times than using the way of latticework searching to get the desired result the efficience is improved greatly and optimal ε is obtained.

本文给出了一种基于粒子群优化算法的、对ε不敏感损失函数的ε参数寻优的方法，仿真结果表明：采用基于粒子群优化算法的寻优方法寻找ε参数，需要重复训练回归支持向量机模型的次数明显小于格点搜索方法，节省了大量的时间并且能找到较优的ε值。

Of course, the 'loss function' itself should vary in size across countries.

当然，不同国家"损失函数"的大小也会不同。

The first chapter is about experience rating under symmetric loss function, that is, the problem about credibility theory.

第一章研究的是基于对称损失函数的保费厘定，即可信性模型的问题。

The concept of redundant loss function is proposed to evaluation the technique and economic effective of modular design.

以机床厂面向用户的典型箱体类零件生产线设计实例，对设计工具原型系统进行了全面的实践检验，充分表明了设计工具的可行性和有效性。

Relevance feedback is considered as an ordinal regression problem, and its properties and loss function are discussed.

探讨了支持多级相关度量的相关反馈问题，指出相关反馈问题可以看成是一个顺序回归问题，并讨论了它的特点和损失函数。

Loss Function Test is used to evaluate the accuracy of the VaR model in this paper.

文中所用的检验方法是损失函数检验法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了