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:: Volume 17, Issue 2 (2-2024) ::
JSS 2024, 17(2): 0-0 Back to browse issues page
Trend Removal in Spatial Statistics Using Support Vector Regression
Sareh Haddadi , Javad Etminan *
Abstract:   (1316 Views)
‎Modeling and efficient estimation of the trend function is of great importance in the estimation of variogram and prediction of spatial data. In this article, the support vector regression method is used to model the trend function. Then the data is de-trended and the estimation of variogram and prediction is done. On a real data set, the prediction results obtained from the proposed method have been compared with Spline and kriging prediction methods through cross-validation.  The criterion for choosing the appropriate method for prediction is to minimize the root mean square of the error. The prediction results for several positions with known values were left out of the data set (for some reason) and were obtained for new positions. The results show the high accuracy of prediction (for all positions and elimination positions) with the proposed method compared to kriging and spline.

Keywords: Variogram, Kriging, Spatial prediction, Support vector regression, Kernel function
Full-Text [PDF 362 kb]   (933 Downloads)    
Type of Study: Applied | Subject: Spatial Statistics
Received: 2022/12/24 | Accepted: 2024/02/29 | Published: 2023/07/11
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Haddadi S, Etminan J. Trend Removal in Spatial Statistics Using Support Vector Regression. JSS 2024; 17 (2)
URL: http://jss.irstat.ir/article-1-825-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 17, Issue 2 (2-2024) Back to browse issues page
مجله علوم آماری – نشریه علمی پژوهشی انجمن آمار ایران Journal of Statistical Sciences

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