The Linear Combination of ARIMA Models in Constructing the Areal Rainfall Using Thiessen Polygon Weighted MethodMuhammad Rozzaq Hamidi, Utriweni Mukhaiyar, Elizabet Sri Rezeki, Naila Ratu Dianti and Abdan Maulana RohatITM Web Conf., 75 (2025) 04004DOI: https://doi.org/10.1051/itmconf/20257504004