grey forecasting model 灰预测模型
rolling grey forecasting model 动态灰色预测模型
grey forecasting model gm 灰色预测模型gm
unbiased grey forecasting model 无偏灰色预测模型
a grey forecasting model 灰色预测模型
basic grey-forecasting model 基本灰预测模型
improved grey forecasting model 改进的灰色模型
discrete grey forecasting model 离散灰色预测DGM模型
a grey forecasting model gm 灰色预测模型gm
Grey forecasting model for GDP 产值灰色预测模型
Compared with the conventional grey-forecasting, the unbiased grey-forecasting model is superior in properties and has more extensive application scope.
无偏灰色预测模型不仅性能优于传统灰色预测模型，而且其适用范围也较传统灰色预测模型有了很大扩展。
In this paper, the characteristics of the conventional grey-forecasting model are discussed, the fact that the conventional grey-forecasting model is a biased exponential model is testified.
研究了传统灰色预测模型的特性，证明了传统灰色预测模型是有偏差的指数模型，并在此基础上提出了无偏灰色预测模型。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
由于传统灰色预测模型固有的偏差和模型参数的固定选择，导致预测精度较低，不适应中长期负荷预测。
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