摘要
利用GM(1,1)模型对长春市的粮食生产进行了研究,为提高对粮食产量的预测精度,对所建模型进行了残差序列修正,经过修正后模型精度大大提高,根据长达六年的跟踪预测与检验,符合率平均值在94.4％以上。此研究结果已被市有关部门采用。
In this paper we discussed food production in Changchun city by use of GM(1,1). In order to improved the forecasting result, we revised the model with Residual Grey Model. After six years verifying, we found its accurate rate is 94. 4 percent. The research result was adopted by the department concerned.
出处
《农业系统科学与综合研究》
CSCD
北大核心
1996年第3期203-205,共3页
System Sciemces and Comprehensive Studies In Agriculture
