【摘要】 用灰色模型对大中马力拖拉机市场保有量进行预测。灰色模型具有计算简便、不要求样本数据有较大容量和满足一定的统计分布的优点。这对于信息量少的拖拉机市场建模分析是适宜的,而且预测精度较高,有一定的参考价值。更多还原

【Abstract】 The grey system model has been applied in this article to the market maintenance forecasting for the large-medium power tractors.This model possesses the qualities of convenient calculation,bare requirement for larger capacity for sample data,and demand-meeting for a certain statistical distribution,which fits into the construction model analysis of the information-insufficient tractor market.It proves to be accurate and has high referential values.更多还原