Development of Rice Yield Forecasting Model Using Linear Regression for Imphal West District, Manipur, India
Neha Wangkheimayum, H. B. Paliwal
International Journal of Environment and Climate Change · pp. 475–480 · Published 5 Jul 2023
10.9734/ijecc/2023/v13i92258Abstract
Rice is a staple food crop and India’s principal food grain. It is generally grown under completely flooded conditions and any changes in weather parameters might affect the rice productivity thereby impacting the food security of the ever-increasing population Prevailing weather conditions during the crop growth period determine the yield of Rice. Hence, the crop yield forecasting models based on weather parameters will be an appropriate option for policymakers and researchers to develop sustainable cropping strategies. The present study examines the application of stepwise multiple linear regression for rice yield prediction using long-term weather data. Analysis was carried out by fixing data from 1998-99 to 2016-17 for calibration and the remaining 2017-18 to 2020-21 data for validation. The accuracy of these models was estimated by R2 (coefficient of determination) and the performance by Mean Square error (MSE), Root mean square error (RMSE), and Normalised root mean square error (NRMSE). The R2 of the developed models ranged from 0.27 – 0.95. The best-performing model was the 5th model with R2 (0.95) with MSE (0.03%), RMSE (0.17%), and NRMSE (0.05%) during validation.
References (1)
- 1 Evaluation of multiple linear, neural network and penalised regression models for prediction of rice yield based on weather parameters for west coast of India [DOI]
Cited by 5
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