CLASSIFICATION OF STUNTING USING GEOGRAPHICALLY WEIGHTED REGRESSION-KRIGING CASE STUDY: STUNTING IN EAST JAVA

  • Atiek Iriany Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia
  • Wigbertus Ngabu Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia
  • Danang Arianto Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia
  • Arditama Putra Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia
DOI: https://doi.org/10.30598/barekengvol17iss1pp0495-0504
Keywords: Stunting, GWR, GWR-Kriging

Abstract

Geographically Weighted Regression Kriging (GWRK) is a special case of Geographically Weighted Regression (GWR) model, which is modeling with the effect of spatial autocorrelation on the GWR model error. The purpose of this research is to obtain a GWRK model between the factors that affect stunting density for each site viewed from the district center point in East Java Province and to make a prediction map based on the GWRK modeling. The data used was obtained from Basic Health Research (RISKESDAS) and the East Java Health Profile Book for 2021. The units of observation in this study were 38 districts in East Java.. Based on the GWR modeling results, it was found that the GWR model error contained spatial autocorrelation so that GWR model can be formed. From the GWRK modeling using stunting prevalence data in East Java in 2021, it was found that the GWR model was better than the global regression. Through prediction and prediction mapping formed from the GWR-Kriging modeling, it could be seen that stunting in regencies in East Java was evenly distributed . The interpolation map showed that the stunting forecasting values using the Kriging GWR interpolation ranged from 27% to 46%.

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Author Biographies

Atiek Iriany, Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia

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Wigbertus Ngabu, Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia

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Danang Arianto, Department Statistics, Faculty Mathematics and Science, Brawijaya University, Indonesia

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Published
2023-04-20
How to Cite
[1]
A. Iriany, W. Ngabu, D. Arianto, and A. Putra, “CLASSIFICATION OF STUNTING USING GEOGRAPHICALLY WEIGHTED REGRESSION-KRIGING CASE STUDY: STUNTING IN EAST JAVA”, BAREKENG: J. Math. & App., vol. 17, no. 1, pp. 0495-0504, Apr. 2023.
Issue
Vol 17 No 1 (2023): BAREKENG: Journal of Mathematics and Its Applications
Section
Articles

Copyright (c) 2023 Atiek Iriany, Wigbertus Ngabu, danang Arianto, Arditama Putra

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