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《Journal of Shaanxi Institute of Technology》 2000-03
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How to set up and apply grey GM(2)

WANG Shu_xun 1, XIONG Qi_cai 2, LIU Feng 1 (1.Dept. of B.C. of Shaanxi Institute of Technology,Hanzhong 723003,China; 2.Hanzhong Teachers College,Hanzhong 723000,China)  
This paper analyses the defects of GM(1,1) and introduces a new forecasting model of GM(2). It compares the two models and finds that GM(1,1) is superior to GM(2) for the array that changes more quickly,which undoutedly provides a more practical forecasting method for application.
【CateGory Index】: O159
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