Title :
A modified GM(1,1) model and its application
Author :
Peirong, Ji ; Hongbo, Zou ; Xinyu, Hu
Author_Institution :
Coll. of Electr. Eng. & Inf. Technol., China Three Gorges Univ., Yichang, China
Abstract :
A modified GM(1,1) model is constructed by producing new data sequence with the method of transforming every datum of raw data sequence into its n-th root. It is demonstrated that the property of the modified GM(1,1) model is superior to GM(1,1) model by numerical experiment. Moreover the modified model is applied in the prediction of fruit price index in China. The actual results also show that the modified model is more accurate.
Keywords :
agricultural products; food products; forecasting theory; grey systems; numerical analysis; pricing; China fruit price index; Grey forecasting model; modified GM model; numerical experiment; raw data sequence; Electrical engineering; Forward contracts; Information technology; Intelligent systems; Numerical models; Predictive models;
Conference_Titel :
Grey Systems and Intelligent Services, 2009. GSIS 2009. IEEE International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-4914-9
Electronic_ISBN :
978-1-4244-4916-3
DOI :
10.1109/GSIS.2009.5408292
