查询词典 conditional distribution

Since the equity's price change is discrete when transacting, we use the cumulative link model to build transaction model. We get the conditional probability distribution of the change of equity's price.

而单笔交易中证券价格的变动为离散变量，本文采用积累线性模型为其建模，得到了在一定的交易方向和交易量下，证券价格变动的条件概率分布。

The state space model has a Gamma-Gamma type invariant conditional distribution. A cost model subject

我们将在一个具有Gamma-Gamma形式的状态空间模型假设下，结合一个包含移除错误成本及软体风险成本的成本模型来进行讨论。

Pixel values in an image window are taken as a realization of a BN, and the structure and parameters of BN for each texture class are then studied. The conditional distribution probability of the pixels is used as the feature for texture classification.

把纹理图像在一个窗口内各个像素的灰度值看作贝叶斯网络的一次实现，通过训练得到各类纹理所对应贝叶斯网络的结构和参数，用纹理图像像素点在网络中的条件概率分布作为特征进行纹理分类。

In this paper we propose an approach to augment the algorithm described before to improve their performance by defining the conditional probability distribution of different composition of continuous and discrete attributes, and implement these new modified algorithms in Weka. To reduce the storage complexity of the AODE algorithm, we used the selective ensemble method to modify it.

在本文中我们提出了通过有效地定义条件概率分布来改善基于朴素贝叶斯分类器的改进算法的性能的方法，并在Weka的框架下实现了我们提出的改进算法，同时考虑到AODE算法较高的空间复杂度，我们利用选择性集成的思想对AODE算法进行了改进，以降低其存储空间复杂度。

In this thesis,using histogram technique,aqualitative analysis of the marginal and conditional distribution is implemented.Then weconstructed a hidden markov tree model for the coefficients,and used this model for imagedenoising.

本文使用直方图方法，定性分析了分解系数的联合分布及条件分布，在此基础上利用方向性滤波器组的多尺度结构，为其系数建立了隐马尔可夫树模型。

In order to get the principle of cell distribution in buffer, the local rate function is obtained, which can be expressed in detail with the help of DuBoisReymond equation and conditional integral. This gives us the system's rate function.

为了能够分析缓存器中分组信息变化的规律，论文首先给出了主干系统的本地速率函数，利用变量积分的DuBois-Reymond方程，给出了本地速率函数所满足的微分方程，在条件积分的约束下求得本地速率函数表达式，由此求得系统的速率函数。

In the first chapter, using the concepts of conditional value at risk and expected shortfall, we expand the VaR definition and calculated formula in discrete distribution.

第一章中利用条件风险价值CVaR和期望损失ES的概念，扩展了VaR在离散分布下的定义和计算式。

In order to circumvent the heavy-tailed problem in estimating the conditional autoregressive range model, the lognormal distribution is considered.

为了解决在估计条件自回归极差模型中的分布厚尾性问题，采用尾部呈幂函数衰减的对数正态分布估计CARR模型。

Firstly, the Signal Noise Ratio characteristic of matched filter despread symbol and the distribution of coherent phase estimation error are derived. Secondly, the exact integration formula of BER for fading channel is presented, moreover, by using the Maclaurin series expansion of MPSK conditional Symbol Error Rate, the simplified BER approximations for BPSK and QPSK are derived over AWGN, Nakagami-m fading and Rayleigh fading channel.

首先推导了匹配滤波解扩符号的信噪比特性和相干相位估计误差的分布；然后给出了衰落信道中误比特率的精确积分式，并利用MPSK条件误符号率的麦克劳林级数形式，推导了AWGN，Nakagami-m衰落和瑞利衰落信道中BPSK，QPSK误比特率的简化逼近式。

In this paper, we utilizes saddlepoint approximation to the conditional moment generating function to estimate portfolio credit loss distribution and calculate Value-at-Risk.

最近几因公司内部因素而导致公司违约最受注目的违约事件即为安案，因此本文在违约模型中加入额外潜在变描述额外违约风险。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了