Abstract: The conventional grey model is a kind of unbiased exponential models with the characteristics of less date,high precision and without the prior information.However,it can not get the expected results sometimes.According to the facts,an amendatory grey model(AGM(1,1) for short) and its stages are supposed,and are used to predict the yearly total number of internal travelers in one province.Prediction results of the two above grey models are compared.It shows that the amendatory grey model is of higher precision,less prediction errors,simple process and effective practicality.AGM(1,1) can provide scientific decision references for the concerning governments.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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