查询词典 sampling distribution

Stochastic volatility model assumes that the conditional distribution of returns is normal during most of the empirical applications.

SV模型在实际应用中大多都假定以潜在波动为条件的收益的分布是正态的，本文分析并比较了正态SV模型和具有厚尾分布，特别是t分布的SV模型。

Based on the estimation of quantile regression, the empirical results show that the effects of globalization on wage inequality indeed vary in accordance with types of trade partners as well as the conditional distribution of wages.

根据对分位数回归的估算，全球化对工资不平等的影响的确受贸易伙伴类型以及工资的条件概率分布的影响。

Methods for feature space discretization based cluster algorithm and class conditional probability distribution estimation are proposed.

首先针对应用贝叶斯决策理论时难以估计类条件概率密度函数的问题，提出了特征空间离散化及相应的类条件概率分布的估计方法。

The packet data loss is modeled as a Bernoulli distributed white sequence with a known conditional probability distribution.

测量数据的丢失假设满足已知概率的Bernoulli分布。

We employ quantile regression to capture the behavior at each quantile of conditional distribution.

以普通最小平方回归的方式来估计中小企业市场占有率时，会忽略其条件分配的差异。

Traditional methods of modelling returns and testing the Capital Asset Pricing Model do so at the mean of the conditional distribution.

传统的模拟与检验资本资产定价模型(Capital Asset Pricing Model，CAPM)及各种资产定价模型的方法都是检验模型在均值处的有效性，但是实证结果不同，带来了有很大的争议。

The results indicate that conditional EVT is superior to other models;conditional distribution model is superior to conditional normal model;conditional EVT for confidence ...

结果表明，条件EVT比其它模型的测度效果好；条件t分布模型优于条件正态分布模型；置信水平为99%的条件EVT和置信水平为95%的条件t分布模型，分别是测度上证A、B股市场风险效果最好的模型。

In mathematical that is to say,after obtaining the sampleχ,we may obtain the conditional distribution Hwhen X=χ.

在传统的Bayes估计中，参数λ的先验分布都是已知的，但有时候我们不一定能得到λ的精确的先验分布，于是就产生了新的Bayes估计方法，比如E Bayes估计和多层Bayes估计。

That means that if you intend to repeat an experiment until the first success, then, given that the first success has not yet occurred, the conditional probability distribution of the number of additional trials does not depend on how many failures have been observed.

无论之前试验了多少次，都不会影响下一次出现成功所需要的次数。不知道为什么，看到memoryless这个词，觉得有一种全新的感受。曾经跌倒，又有什么关系呢小王子说，你知道，路还长，我带不动自己的身体，因为太重了。。。身体的沉重，有很大部分是因为回忆。

With the development of the society and economy, the great changes of operating environment take place inside and outside of enterprise .on one hand, the science and technology develop and use widely, which the cost structure of product has substantive change ,so the conditional distribution of expense does not provide the exact cost information even distort it which lead to make false decisions .

一方面，科技的发展与广泛的应用，使得产品成本结构发生根本性变化，传统的以直接人工小时或机器小时为基础的间接费用分配方法已经不能提供准确的成本信息，甚至会严重扭曲成本信息，致使企业决策失误。

I wear a warm coat over my dress.

我在我的衣服外面穿了一件暖和的大衣。

When they came near to the incubator , a chick got out of its eggshell.

当他们走到孵卵器旁时一只小鸡刚好从蛋壳里出来。