Zhang Aiwu. Impact Assessment for Fuzzy Linear Regression Model Based on Case Deletion[J]. Chinese Journal of Applied Probability and Statistics, 2012, 28(6): 625-636.
Citation: Zhang Aiwu. Impact Assessment for Fuzzy Linear Regression Model Based on Case Deletion[J]. Chinese Journal of Applied Probability and Statistics, 2012, 28(6): 625-636.

Impact Assessment for Fuzzy Linear Regression Model Based on Case Deletion

  • Least squares method based on Euclidean distance and Lebesgue distance between fuzzy data is used to study parameter estimation of fuzzy linear regression model based on case deletion respectively. And the parameter estimations on two kinds of distance are compared. The input of the above model is real data and output is fuzzy data. The statistical diagnosis --- estimation standard error of regression equations is constructed to test highly influential point or outlier in observation data. At last through identifying highly influential point or outlier in actual data, it shows that the statistic constructed in this paper is effective.
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