Through the investigation of online text classification for spam text stream filtering, a novel ensemble approach of conditional probability is proposed. 通过用于垃圾文本流过滤的在线文本分类研究,提出了一种新的条件概率集成方法。
The joint probability density and conditional probability is estimated based on marginal computation. 结合局部计算近似推理进行概率密度和条件概率分布估计。
Dimensions Reduction Method by Conditional Probability for the Approximation to the Failure Probability of Structural Systems; 结构体系失效概率近似计算的条件概率降维法怎样计算要求时的平均失效概率(PFDavg)
Based on the analysis of the relationship between safety and reliability, a model for aircraft safety analysis is established from the viewpoint of conditional probability. 在分析飞机安全性与可靠性关系的基础上,从条件概率的角度,建立了一种新的飞机安全性分析模型。
Model for Aircraft Safety Analysis Based on Conditional Probability 一种基于条件概率的飞机安全性分析模型
Implication connectives which are compatible with classical two-valued logic were defined, and they overcome the shortcoming that conditional probability can not be used to inference. 定义了与经典二值逻辑相容的蕴涵联结词,克服了条件概率不能用于推理的缺点。
Conditional Probability and Statistical Independence; 有条件可能性和统计独立;
It would also be nice if Rich doesn't reserve the vertical bar for anything so we can keep it as part of our core DSL for conditional probability notation. 如果Rich不保留竖线也挺好,这样我们可以将它作为我们核心DSL的一部分,用来作为条件概率记号。
First, based on a pollution flashover probability model for insulators under certain operation voltage and conditional probability, the fault probability of transmission lines was obtained. 首先基于一定工作电压下绝缘子的污闪概率模型及条件概率原理得出污闪下线路发生某种故障的概率;
The second step is to evaluate for BN, decide prior probability and conditional probability. 再为贝叶斯网络赋值,确定先验概率和条件概率。
By the geometric probability model, the intuitionistic method is provided for the marginal density function and conditional probability density function. 利用几何概型得出均匀分布的边缘密度函数和条件概率密度函数的直观求法。
The application of Causality Diagram is extended to fuzzy field by introducing fuzzy set theory. Based on the trapezoidal fuzzy number, operator, fuzzy conditional probability and the normalization method are discussed in this paper. 文章主要对事件概率为梯形模糊数进行讨论,提出了模糊因果图的算子,得到了模糊条件概率的计算公式,讨论了模糊概率的归一化方法。
Discuss the properties about the conditional probability and the conditional independence. 讨论有关条件概率的性质,研究与条件概率有关的条件独立性的问题;
This paper uses the concept of conditional probability to consider the structural failure dependence in an engineering system. 本文建议用条件概率来考虑工程系统中各结构失效的相关性。
Using the expansion formula of conditional probability and combined event probability, a general model of safety analysis for k/ n ( G) voting system is established and specific operating steps are suggested. 运用条件概率和并集事件的概率展开公式建立了k/n(G)表决系统可靠性分析的通用模型,并给出了具体的计算步骤。
The series formulas of conditional probability are important points in the Probability and Mathematical Statistics course. 条件概率系列公式是概率论与数理统计课程的重要知识点。
In this paper a technique is presented for testing the results of conditional probability distributions of the stream runoff. 此外本文还提出和论述了对于径流条件分布函数成果合理性的验证方法。
Some formulas on conditional probability were established and a generalized total probability formula was given. 给出了条件概率的加法公式、乘法公式和一般的全概率公式。
The earthquake conditional probability intensity in Taiwan area is calculated with the improved stress release model. 在回溯性的地震预测检验中,用改进的应力释放模型计算出台湾地区地震发生的条件概率强度,并用其预测6级以上地震的发震时刻。
The results supported the authors 'overall conditional probability model of prediction features. 实验结果支持作者提出的预测特征综合条件概率模型。
Under the model, this paper introduces the concept of a link to be Υ-valid-time, derive the probability for a link to be valid and obtain the conditional probability for a route to be valid and the average times of route recovery. 基于马氏模型,本文引入了链边Υ-时有效的概念,推导了链边有效的概率,得出了路由有效的条件概率和路由的平均恢复次数。
At last the learning method for conditional probability distribution is investigated. 最后还提出了条件概率学习方法。
A new point& evaluation method for structural system reliability analysis is proposed based on conditional probability and numerical analysis method. 以条件概率和数值分析方法为基础,提出了一种新的结构体系可靠度点值估算方法,并通过算例说明了该法的应用。
The single-parameter formula incorporating with conditional probability of hail is used to identify hail cloud. 用独立参数降雹条件概率公式判别雹云,并对条状和带状回波移向与高空风向间的偏角进行了统计分析。
Its conditional probability of failure is researched by qualitative method, and a point value method for the system reliability of existing dikes is presented also. 对现有堤防工程的失效条件概率进行了定性分析,并提出了其系统可靠度的点值计算方法;
To an image, first, we do the fuzzy probability description. Then, conditional probability and conditional entropy are used to define fuzzy partition entropy. 首先对图像进行模糊概率描述,然后在条件概率和条件熵的基础上提出模糊划分熵的新定义。
The structure learning and parameter learning algorithms of Bayesian network are studied. The method converted from degree of membership to fuzzy probability, as well as the calculation method of fuzzy joint probability and fuzzy conditional probability, is designed and implemented. 4. 研究了贝叶斯网络的结构学习和参数学习方法,给出了隶属度到模糊概率的转换及模糊联合概率和模糊条件概率的计算方法。
The missing measurements are described by a binary switching sequence satisfying a conditional probability distribution. 系统的不完全量测用满足特定条件概率分布的二值切换的随机序列来描述。
So the paper converts some special fault tree to Bayesian network, and does quantitative analysis to get the conditional probability of failure impact by Bayesian network. 因此本文最后通过贝叶斯网络方法对于故障树中的一些特殊子树进行了到贝叶斯网络的转换,并对其进行了定量计算得到了失效影响的条件概率。