用人工神经网络预测印度安得拉邦棉花价格的经济分析

G. Reddy, K. S. Pravallika, B. M. Gita, M. Reddy
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引用次数: 0

摘要

棉花的生产主要是为了它的纤维,而纤维是一种普遍使用的纺织原料。棉花是世界经济中的一种重要商品。对种植者来说,有利的价格环境对提高产量非常重要。在此背景下,采用描述性统计工具和人工神经网络模型(ANN)对棉花的面积、产量、进出口、供需及其复合增长率及其对价格的影响进行了分析。结果表明,从2006-07年到2021-22年,出口复合增长率为负且显著,为- 2.41%,而进口复合增长率为正且显著,为10.44%。安得拉邦到货棉花的季节性指数在1月(177.54)、12月(153.67)和11月(146.10)三个月最高,因为贸易商和农民预期价格会上涨,持有上一季的棉花。卢比投资回报率为0.596,这与佃农有关,可变成本回报率为0.848,这主要与业主农民有关。棉花价格季节性指数较低的月份为12月(97.23)和11月(101.50)。结果表明,神经网络9-29-1(9个输入节点,29个隐藏节点,1个输出节点)优于MAPE(2.904)、RMSE(140.59)、MAE(90.02)和MASE(0.114)值较低的神经网络。预计2022-23年收获季节需求将持续,价格约为8269卢比/季。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Economic Analysis of Cotton Price Forecasting Using ANN in Andhra Pradesh, India
Cotton is essentially produced for its fibre, which is universally used as a textile raw material. Cotton is an important commodity in the world economy. A remunerative price environment for the growers is very important for increasing production. In this context the study on area, production, export, import, supply and demand and their compound growth rates as well as influence on prices of cotton were analyzed using descriptive statistical tools and Artificial Neural Network model (ANN). The results showed that, compound growth rate of exports was negative and significant with -2.41 per cent whereas, imports showed a positive and significant growth rate with10.44per cent from 2006-07 to 2021-22. The seasonal indices of cotton arrivals in Andhra Pradesh were highest in the months of January (177.54), December (153.67) and November (146.10) because of holding of previous seasons crop by traders and farmers in anticipation of higher prices. The return on rupee investment was 0.596 which is concerned to tenant farmers and return on variable costs was 0.848 which is mostly related to owner farmers. The lower seasonal indices for cotton prices were observed in the months of December (97.23) and November (101.50). The results of ANN model revealed that, neural network 9-29-1(9 input nodes, 29 hidden nodes, and 1 output) outperformed all other neural networks with lower MAPE (2.904), RMSE (140.59), MAE (90.02), and MASE (0.114) values. It was expected that demand will persist in 2022-23 harvesting season also with a price around Rs. 8269/ q.
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