Author
Listed:
- Constantin Robert-Stefan
(Bucharest University of Economic Studies, Bucharest, Romania)
- Davidescu Adriana Anamaria
(Bucharest University of Economic Studies, Bucharest, Romania)
- Manta Eduard Mihai
(Bucharest University of Economic Studies, Bucharest, Romania)
Abstract
Developing forecasting models capable of learning from small datasets is increasingly valuable for scenarios with limited computational resources and tight time constraints. In this case study, we processed monthly data on Romania’s inland gas consumption—a primary benchmark reflecting the country’s industrial growth, level of technological advancement, and reliance on non-renewable energy sources. This research tests the extent to which LightGBM, a gradient boosting framework, can predict seasonal patterns in monthly gas consumption. To aid the machine learning framework in better understanding the series pattern, we applied a first-order differencing to the data. By combining hyperparameter tuning, cross-validation, and tailored feature engineering (including lagged variables and rolling-window statistics), the analysis thoroughly evaluates LightGBM’s performance under data-scarce conditions. Model accuracy was assessed using Mean Absolute Error (MAE), Mean Absolute Percentage Error (MAPE) and Root Mean Squared Error (RMSE), demonstrating the extent of LightGBM’s predictive capacity across multiple horizons despite constrained data settings. These findings offer insights into the feasibility of employing fast-adapting, lightweight machine learning techniques for reduced time series datasets, while minimizing both computational effort and processing time.
Suggested Citation
Constantin Robert-Stefan & Davidescu Adriana Anamaria & Manta Eduard Mihai, 2025.
"Time Series Forecasting with LightGBM under Data Scarcity: An Application to Romania’s Inland Gas Consumption,"
Proceedings of the International Conference on Business Excellence, Sciendo, vol. 19(1), pages 1518-1531.
Handle:
RePEc:vrs:poicbe:v:19:y:2025:i:1:p:1518-1531:n:1015
DOI: 10.2478/picbe-2025-0118
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