论高斯的正态分布与误差分布的差异
首发时间:2013-12-20
摘要:高斯在研究误差理论时导出误差分布,被称为正态分布或高斯分布。误差分布和正态分布一直被认为是等同的概念,因为数学表达式等同,其参数都是平均值和随机变量与平均值离散程度的变异指标。正态分布对称性的特征与误差分布在实践中不对称的客观事实说明两者具有显著的差异。基于此认识进行论述。
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Discussion the Gauss of Normal Distribution and Error Distribution of Differences
Abstract:Gaussian at to export error distribution in the research of the theory of error, it is called normal distribution or Gaussian distribution. Error distribution and normal distribution has been considered to be equivalent to the concept of mathematical expressions equivalent, its parameters are the mean and variability of the random variable with the average degree of dispersion indicators. Symmetry characterized by a normal distribution with the error distribution asymmetry in practice objective facts show that there are significant differences between the two. Based on this understanding of the research.
Keywords: normal distribution error distribution position eigenvalues discrete eigenvalue
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