火范文>英语词典>sample distribution翻译和用法

sample distribution

英 [ˈsɑːmpl ˌdɪstrɪˈbjuːʃn]

美 [ˈsæmpl ˌdɪstrɪˈbjuːʃn]

样品分布;样本分布;采样分布

计算机经济

英英释义

noun

  • items selected at random from a population and used to test hypotheses about the population
      Synonym:samplesampling

    双语例句

    • In all, the researches are small sample and distribution of a single region. It is lack of the comprehensive study with large scale and multi-centre.
      总体上各项研究均为小样本、单一地区的散发研究,缺少多中心大样本的综合研究。
    • In this paper, suppose that the sample distribution of AR ( p) sequence is an elliptical distribution, or the white noise of AR ( p) sequence is elliptical white noise.
      本文中,设AR(p)序列的样本分布为椭球分布,AR(p)序列的噪声为椭球白噪声。
    • This dissertation present another view, sample is an abstraction of the real world, and its space distribution conforms to regular rules, so the covering model can be seen as an approximation of the sample space distribution.
      本文从另外一个角度考虑,认为样本是对客观世界的抽象描述,它在空间中的分布具有一定的规律,覆盖则是某种程度上对样本空间分布的一种近似。
    • The Applying of Heteroscedastic Sample Sampling Distribution to the Test of the Guangxi White Pig Breeding
      异方差样本的抽样分布在广西白猪育种试验中的应用
    • The Digital Characters of the p norm sample Distribution
      p-范分布母体抽样分布的数字特征
    • By balancing the training samples, dynamically resetting initial weights and adaptively evaluating net scales, some shortcomings of the BP algorithm, such as low convergence speed and high dependency on initial sample distribution are overcome, and the algorithm has become more robust and generic.
      通过平衡训练样本数量、动态重置初始权值、评定网络规模等措施,解决了BP算法收敛速度慢、受初始样本分布影响大等缺陷,提高了识别算法的稳健性和泛化能力。
    • Compared experiments with the SPF algorithm showed that the sampling location of the algorithm is relatively fixed, the sample distribution is uniform and it can be achieved the requirement the particle diversity. 3.
      通过与SPF算法进行对比实验发现,该算法的采样位置相对固定,样本分布均匀,可以实现粒子多样性的要求。
    • Flow fields and the sample particle distribution were calculated under different circumstances.
      计算了不同情况下的流场分布和样本粒子分布。
    • The work of estimating the tail dependence coefficient is simple, when the sample distribution is known and the observation data is enough, the banks can use the parametric model to estimate the coefficient. But in real world, these conditions always can not satisfy.
      尾部相关系数的估算较为便利,当样本分布已知且样本数据量充足时,采用参数估计尾部相关系数是非常有效的。但在信用风险管理中,这些条件有时并不具备。
    • Balanced and imbalanced data sets classification based on sample projection distribution
      基于样本投影分布的平衡不平衡数据集分类