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All Journal Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi)
Steven Andrian Pranata Wicaksono
Mercu Buana University of Yogyakarta
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management

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Prediksi Hasil Tanaman Padi Menggunakan Random Forest dengan Seleksi Fitur Berbasis Feature Importance dan Optimasi Hyperparameter GridSearchCV Steven Andrian Pranata Wicaksono; Mutaqin Akbar
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 11 No 1 (2026): JANUARY
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA), Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v11i1.7567

Abstract

Rice production in Indonesia fluctuates due to agronomic, spatial, and climatic factors. This study develops a rice production validation model using Random Forest Regressor with feature importance-based feature selection and GridSearchCV hyperparameter optimization. Agricultural data from BPS for 2018-2024 were combined with annual NASA POWER weather data from 37 provinces in Indonesia. The model predicts rice productivity and converts the prediction into production using actual harvested area. Feature selection reduced 32 initial predictors to 16 final features. The optimized model achieved production R² of 99.79%, adjusted R² of 99.73%, RMSE of 115,600.28 tons, MAE of 61,194.75 tons, MAPE of 6.95%, and SMAPE of 6.86%. It is important to note that the high production R² of 99.79% is substantially driven by the mathematical dominance of actual harvested area as a multiplier in the production conversion formula, rather than solely reflecting the predictive power of the climate model. The core predictive performance of the model at the productivity level (R² = 75.45%, MAPE = 6.95%) more accurately represents the model’s generalization capability. Research limitations include limited historical data for newly established provinces in Papua and the relatively short study period of 2018-2024. These results indicate that the proposed method provides accurate validation for rice production analysis.
Co-Authors Mutaqin Akbar