A Global Forecasting Approach to Large-Scale Crop Production Prediction with Time Series Transformers

Sebastian C. Ibañez and Christopher P. Monterola ()
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Sebastian C. Ibañez: Analytics, Computing, and Complex Systems Laboratory, Asian Institute of Management, Makati City 1229, Philippines
Christopher P. Monterola: Analytics, Computing, and Complex Systems Laboratory, Asian Institute of Management, Makati City 1229, Philippines

Agriculture, 2023, vol. 13, issue 9, 1-27

Abstract: Accurate prediction of crop production is essential in effectively managing the food security and economic resilience of agricultural countries. This study evaluates the performance of statistical and machine learning-based methods for large-scale crop production forecasting. We predict the quarterly production of 325 crops (including fruits, vegetables, cereals, non-food, and industrial crops) across 83 provinces in the Philippines. Using a comprehensive dataset of 10,949 time series over 13 years, we demonstrate that a global forecasting approach using a state-of-the-art deep learning architecture, the transformer, significantly outperforms popular tree-based machine learning techniques and traditional local forecasting approaches built on statistical and baseline methods. Our results show a significant 84.93%, 80.69%, and 79.54% improvement in normalized root mean squared error (NRMSE), normalized deviation (ND), and modified symmetric mean absolute percentage error (msMAPE), respectively, over the next-best methods. By leveraging cross-series information, our proposed method is scalable and works well even with time series that are short, sparse, intermittent, or exhibit structural breaks/regime shifts. The results of this study further advance the field of applied forecasting in agricultural production and provide a practical and effective decision-support tool for policymakers that oversee crop production and the agriculture sector on a national scale.

Keywords: crop production; agricultural production; time series forecasting; artificial intelligence; machine learning; deep learning; transformer (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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