Morbidity Research on Grey Forecast Model
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This paper researches on the morbidity problem for the GM(1,1) model with the accumulating method based on the condition number theory. It proves that we can get a new healthier model by make a multiple transformation on the initial data, and the transformation doesn’t affect the precision of the model. Therefore, morbidity problem for the GM(1,1) model with the accumulating method is resolved well.