Box-Jenkins法预测土耳其杏产量

Bakiye Kılıç Topuz, M. Bozoğlu, Uğur Başer, Nevra Alhas Eroğlu
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引用次数: 10

摘要

土耳其是世界上第一大杏子生产国。2016年,土耳其杏产量为73万吨,占世界杏产量的9.21%。2016年,土耳其的杏子出口量也占世界杏子出口量的11.31%。本研究的主要目的是预测2017-2022年土耳其杏的产量。本研究数据来源于联合国粮农组织数据库,时间序列为1961-2016年。采用Box-Jenkins模型对杏产量进行预测。在本研究中,确定时间序列不平稳,在取第一次差分后,序列变得平稳。移动平均模型ARIMA(2,1,1)被确定为最适合平稳数据类型的模型。研究结果表明,预测2017年土耳其杏产量最小383.206吨,最大920.409吨,平均651.808吨。但是,预计土耳其2022年杏树产量最低为271.734吨,最高为1.193.113吨,平均为732.423吨。考虑到需求的增加,人们认为杏的产量将不足以满足该国的需求。为了保护该国目前的领先地位,建议政府应给予足够的支持,以增加土耳其杏的产量。
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Forecasting of Apricot Production of Turkey by Using Box-Jenkins Method
Turkey is the first largest apricot producer in the world. In 2016, Turkey was responsible for 9,21% of world apricot production with 730 thousand tons. Turkey also generated 11,31% of world apricot exports in 2016. The main aim of this research was to forecast apricot production of Turkey for the period of 2017-2022. The data of this study was obtained from the database of the Food and Agriculture Organization and the time series covered the period of 1961-2016. Box-Jenkins Model was used to forecast apricot production. In the study, it was determined that the time series were not stationary and the series became stationary after the first difference was taken. Moving Average Model ARIMA (2, 1, 1) was determined as the most appropriate model for the stationary data type. The research results show that apricot production quantities of Turkey in 2017 was forecasted as minimum 383.206 tons, maximum 920.409 tons and, average 651.808 tons. However, Turkey’s the apricot production amount in 2022 was forecasted as minimum 271.734 tons, maximum 1.193.113 tones and average 732.423 tons. Considering the increase in demand, it is thought that apricot production will not be sufficient for the country. To protect the current leading position of the country, it is recommended that the government should give enough support to increase apricot production in Turkey.
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