The combination forecasting method gives bigger weight to the models, which better conform with the variation of power load, and improves the precision. The sample calculation shows the truth.
采用组合预测法对能很好反映负荷变化规律的模型赋予较大的权重,从而提高负荷预测精度,示例计算表明组合预测法的预测精度明显高于各单一模型的预测精度。
At last the method of combination forecasting based on function of fresh degree is applied and the precision of prediction is further improved.
最后利用基于新鲜度函数的变权重组合预测方法对预测结果进行组合预测,进一步提高了预测精度。
New concepts are proposed for the combination forecasting effective measure models: superior combination forecasting, dominant forecasting method and redundant measure.
针对基于预测有效度的组合预测模型提出了新的优性组合预测、预测方法优超和冗余度的概念;
This paper presents a method of establishing the optimum combination forecasting model and applies it to the water-level regime forecasting of well No. 62 at Weifang Hanting.
本文介绍了一种建立最优组合预测模型的方法,并将其用于潍坊寒亭62井的水位动态预测。
The entropy method is adopted to obtain the weight coefficient of the combination model, and analysis of the example result shows that this new model significantly improves the forecasting precision.
并采用熵值法对组合模型的权系数进行求解,实证分析表明该模型使预测精度得到了明显提高,具有良好的预测效果。
The method of combination of hydrological with hydraulic methods and deterministic method with stochastic method is used in the flood forecasting and flood management of large watershed.
采用水文学与水力学、确定与随机相结合的方法,研究大流域洪水预报与洪水调度管理。
Based on the concept of superior combination forecasting method and on the concept of redundant method, several problems about combined prediction of non-negative weight are studied in this peper.
本文在优性组合预测方法存在判定理论的基础上,提出了求解非负权重最优组合预测问题的迭代算法。
Based on the concept of superior combination forecasting method and on the concept of redundant method, several problems about combined prediction of non-negative weight are studied in this peper.
本文在优性组合预测方法存在判定理论的基础上,提出了求解非负权重最优组合预测问题的迭代算法。
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