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《Journal of Anhui Agricultural Sciences》 2009-11
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Application of Unbiased Gray Model in Forecasting the Grain Yield in China

MEN Ke-pei et al(College of Mathematics & Physics,Nanjing University of Information Science & Technology,Nanjing,Jiangsu 210044)  
According to the latest statistical data of China Statistical Yearbook in 2008,an improved unbiased grey GM(1,1) model was established.The empirical analysis and forecast were made on he grain yield in China from 2009 to 2015.The results showed that the established model simplified the modeling steps and enhanced the prediction accuracy.The forecasting results were accordant with the actual grain yield in China.
【Fund】: 全国统计科研计划重点项目(2008LZ022)研究成果之一;; 南京信息工程大学科研基金项目
【CateGory Index】: F326.11
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