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:: Volume 6, Issue 1 (Vol. 6, No. 1 2020) ::
Mathematical Researches 2020, 6(1): 99-108 Back to browse issues page
Identifying Outlier Observations in Linear - Circular Regression Model
Seyede Sedighe Azimi 1, Mohammad Reza Farid Rohani
Abstract:   (474 Views)
One way to identify outlier observations in regression models, is to measure the difference between the observations and their expected values under fitted model. This identification in circular regression, is possible by using of a circular distance. In this paper, the Difference of Means Circular Error statistic that was introduced by ‎Abuzaid et al. [1] for outlier detection in simple circular regression, is applied in linear-circular regression model and the cut-off points of this statistic are obtained by Monte Carlo simulations. In addition, the performance of this statistic is investigated with some simulation studies. Finally, this statistic is applied to identify outlier observations in speed and direction wind data set recorded at Mehrabad weather station in Tehran with parametric Bootstrap simulation method../files/site1/files/61/10.pdf
Keywords: Linear - Circular regression model, Outlier observation, Difference of means circular Error
Full-Text [PDF 757 kb]   (43 Downloads)    
Type of Study: Research Paper | Subject: stat
Received: 2018/06/3 | Accepted: 2018/12/3 | Published: 2020/04/14 | ePublished: 2020/04/14
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Azimi S S, Farid Rohani M R. Identifying Outlier Observations in Linear - Circular Regression Model. Mathematical Researches. 2020; 6 (1) :99-108
URL: http://mmr.khu.ac.ir/article-1-2790-en.html


Volume 6, Issue 1 (Vol. 6, No. 1 2020) Back to browse issues page
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