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- Also, based on the combining forecasting theory, an integrated ANN and grey model were be defined, which supplies an effective method for further improving prediction accuracy. 并根据优选组合预测理论将灰色钱差预测与神经网络预测结果有机结合,给出了这一方法在材料性能预测中的应用实例,为进一步提高预测精度提供了有效的方法。
- The results reveal that the combined forecasting model is more effective. 结果表明,此组合预测平均误差和预测平方根误差均较小。
- In the end time-variant weights combined forecasting model is discussed. 最后也探讨了变权系数的组合预测模型
- The back part includes choosing modes, combining forecasting, choosing forecasting index, time, modes, and kinds, ensuring mode weighting parameter, returning forecasting results and so on. 后者含选择模式,组合预测,选择预测指标、时间,模型数量及种类,确定模型比重参数、返回预测结果等步骤。
- A new combined forecasting method is used for roll forecast of the runoff during the year and the schedule of future months is amended. 采用一种新的组合预测方法,实现对径流的年内滚动预测,以适时修正未来月份的发电计划。
- Then some new concepts,such as noninferior combination forecasting dominant forecasting method,redundant degree etc,are put forward. 然后对该模型提出非劣性组合预测、预测方法优超,冗余度等新概念;
- New dominant forecasting method and redundant measure are defined for combination forecasting method with generalized weight arithmetic average, based on error of power of P. 摘要从P次幂误差的概念出发,提出了广义加权算术平均组合预测法新的预测方法优超和冗余度的定义。
- Ordered weighted averaging(OWA) operators,which have been developed in recent years,are introduced to build the corresponding combination forecasting model in this paper. 本文引进近年来提出的有序加权平均(OWA)算子,建立新的组合预测模型。
- New dominant forecasting method and redundant measure are defined for combination forecasting method with generalized weight arithmetic average, based on error of power of P . 从P次幂误差的概念出发,提出了广义加权算术平均组合预测法新的预测方法优超和冗余度的定义。
- Ordered weighted averaging (OWA) operators, which have been developed in recent years, are introduced to build the corresponding combination forecasting model in this paper. 摘要本文引进近年来提出的有序加权平均(OWA)算子,建立新的组合预测模型。
- The method deduces the forecast effectiveness of single and combined forecast by introducing confidence field and improving forecast precision matrix. 通过引入可信赖域,改进预测精度矩阵,来推导单个预测和组合预测的阶预测有效度。
- LU Mou, ZHAO Hong-bin, LI Hong-wei.Et al.Dynamic adaptive combined forecasting algorithm of water con-sumption[J].Systems Engineering - Theory &Practice, 1998, 18(8):101-107. [1]吕谋; 赵洪宾; 李红卫;等.;时用水量预测的自适应组合动态建模方法[J]
- Then some basic problems are discussed that are existence of noninferior combination forecasting, superior combination forecasting and redundant forecasting method. 探讨了非劣性组合预测、优性组合预测以及冗余预测方法的存在性,并证明冗余预测方法的一个判定定理。
- This model corrects the one-sidedness of single models in considering influence factors,while the weights of a conventional combination forecasting model are fixed. 考虑到各种模型的预测精度的变化,以及大坝安全监测数据存在的突变、时效等因素,固定权系数的组合预测模型有待进一步改进。
- Generalized Weighted Mean Combining Forecasting and its Application 广义加权平均组合预测及其应用
- Based on the data of gas consuming quantum in zinc refining process and some new forecasting technique, a combined forecasting model of index regression and grey theory was established. 摘要基于已有的锌精炼过程煤气消耗,结合现代新的预测理论技术,提出一种指数回归-灰色理论相结合的组合预测模型来预测锌精炼过程的煤气消耗量。
- In this paper,through the research on method of solving weight combination forecasting model,a method that used quadratic programming for weight of combination forecasting model was presented. 文章通过对组合预测模型权重求解方法的研究,给出了一种运用二次规划来求解组合预测模型权重的方法。
- Weather forecasting is an inexact science. 天气预报是一门模糊的科学。
- Finally, we discusse the existence of noninferior combination forecasting and redundant forecasting method.The method of determining redundant information is also given in a theorem. 最后探讨了非劣性组合预测以及冗余预测方法的存在性,并给出冗余信息的判定定理。
- Opinion polls forecast a Conservative landslide. 民意测验预示保守党有获得压倒性多数票的可能。