In this paper, a new model system is introduced, which synthetically applies time series model, nonlinear regression and combination forecasting model to forecast the change of the market price.
文章通过对一套市场价格预测模型体系的介绍,综合运用时间序列模型、多元非线性回归和组合模型来预测市场价格走势,探索从多角度综合预测市场价格的问题。
Fourthly, using this model based on risk nonlinear addition solves the portfolio's risk linear addition problem in SPAN system, and this will help us to get more practical forecasting value.
四是通过基于风险非线性叠加建立的期货组合风险评价模型解决了SPAN系统中期货组合风险的线性叠加问题,从而得到更合理的组合风险预测值。
Using nonlinear SD techniques, a model of technician system is proposed for forecasting and planing. Some complicated dynamic behaviours in the model are discussed also.
本文运用非线性系统动力学方法,建立了技术人才预测和规划模型,并对其中的复杂动力学行为进行了探讨。
Based on the analysis of contributing factors, a model of parameterized combination operator in air pollution forecasting is presented, which is suitable to nonlinear problems.
在成因分析的基础上,建立了大气污染物浓度预测的参数化组合算子模型,适应非线性问题。
As a result, it is necessary to replace the traditional statistic model with nonlinear model that can deal with imperfective information in order to improve the quality of forecasting stock market.
股市的运行是一个非常复杂的不完备的非线性过程,因此,需要用对不完备信息进行处理的非线性模型代替传统的统计模型,以便进一步提高股市预测的质量。
To improve accuracy of forecast, the paper utilize advanced BP neural network to design for nonlinear combining forecasting model.
为提高预测精度,解决非线性组合预测中的困难,利用改进BP神经网络对非线性组合预测模型进行了设计。
After determining duality nonlinear functions of two subsystem, we give the general form of yield loss forecasting model.
在两个亚系统的二元非线性模式确定以后,给出了产量损失预测模型的一般形式。
According to the nonlinear characteristics of landslide displacement time series, the nonlinear chaotic model is presented applying the forecasting method of chaotic time series.
根据滑坡位移时间序列的非线性性质,应用混纯时间序列预测方法,建立滑坡预测的非线性混纯模型。
According to the nonlinear characteristics of landslide displacement time series, the nonlinear chaotic model is presented applying the forecasting method of chaotic time series.
根据滑坡位移时间序列的非线性性质,应用混纯时间序列预测方法,建立滑坡预测的非线性混纯模型。
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