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All Journal VARIANSI: Journal of Statistics and Its Application on Teaching and Research
Nurul Amelia
Universitas Negeri Makassar
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Mathematics

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Geographically Weighted Regression with Adaptive Gaussian and Bisquare Kernels for Dengue Cases in South Sulawesi Nurul Amelia; Hardianti Hafid; Rahmat H S
VARIANSI: Journal of Statistics and Its application on Teaching and Research Vol. 8 No. 02 (2026)
Publisher : Program Studi Statistika Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/variansiunm552

Abstract

This study aims to model the factors influencing the number of Dengue Fever (DBD) cases in South Sulawesi Province and to compare the performance of Adaptive Gaussian Kernel and Adaptive Bisquare Kernel weighting functions in the Geographically Weighted Regression (GWR) model. GWR is used because it can accommodate spatial heterogeneity, where the relationships between variables differ across locations due to variations in geographic conditions, population density, and environment. Model evaluation was conducted using the Akaike Information Criterion (AIC) and the coefficient of determination (R²). The results show that the GWR model with Adaptive Bisquare Kernel weighting performs better (AIC = 307.3784; R² = 0.9263) compared to the Adaptive Gaussian Kernel (AIC = 340.7891; R² = 0.6106). Thus, the Adaptive Bisquare Kernel is more suitable for modeling DBD cases in South Sulawesi Province as it better captures local spatial variation.
Co-Authors Hardianti Hafid Rahmat H S