]*>","")" /> 异常点剔除及其并行实现

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异常点剔除及其并行实现

童丽,曾泳泓,王正明   

  1. 国防科技大学数学与系统科学系!长沙 410073;国防科技大学数学与系统科学系!长沙 410073;国防科技大学数学与系统科学系!长沙 410073
  • 出版日期:2000-03-20 发布日期:2000-03-20

童丽,曾泳泓,王正明. 异常点剔除及其并行实现[J]. 数值计算与计算机应用, 2000, 21(3): 171-177.

PICKING OUT OUTLIER DATA AND ITS PARALLEL ALGORITHM

  1. Tong Li,Zeng Yong-hong,Wang Zheng-ming (Department of Mathematics and System Science, N. U.D. T. 410073, China)
  • Online:2000-03-20 Published:2000-03-20
In the processing of measured data, the number of operations of the algorithm for picking out outlier data in batches is very large. A large number of linear or nonlinear equations based on the parameter model built according to the characteristics of measuring equipment and measured object are to be sovied. This paper presents the criterion of picking out outlier data point by point and a parallel algorithm for picking out outlier data in batches, with regard to large-scale linear regression model. The scalability for the parallel algorithm is analyzed, and the results for the algorithm on a group of computers are given. High speed-up is obtained.
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[1]王正明,易东云,测量数据建模与参数估计,长沙,国防科技大学出版社, 1996.
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[3]孙家昶,网络编程计算与分布式编程环境,北京,科学出版社;1996.
[4]Seber G A F,Linear Regression Analysis,John Wiley & Sons,1977.
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