In the final chapter, we mine stock trading data using time series method, find out the model and outliers in the data and, at last, we show the more exact forecasting model and outlier mining method.
第五章利用时间序列的方法对证券交易数据进行了挖掘,找出了数据中的模式和异常,相对传统方法而言,给出了更精确的预测模型和异常挖掘方法。
METHOD: the principle of Markov model was expounded and its application in the forecasting of drug market was illustrated with examples.
方法:阐述马尔科夫模型的原理,通过实例说明其在药品经济预测中的应用。
In this paper, a Daqing area epidemic encephalitis diseases forecasting model making use of grey system theory proposed by professor Deng Julong and method of weight function was built.
本文利用邓聚龙教授提出的灰色系统理论,采用权函数生成法,建立了大庆地区流脑疾病的预测模型。
Aiming at the actual difficulties in load forecasting, a new load forecasting method in which the solar term load is used as modeling data was put forward combining ARIMA model and BP network.
针对电力负荷预测的实际困难,提出了一种以节气负荷作为建模数据,将ARIMA模型及BP网络相结合的负荷预测新方法。
The result is given that the forecasting model is effective and offers a new method to forecast the grain production.
预测结果表明该模型具有较高的预测精度,为粮食产量预测提供了一条新的途径。
This paper discussed the basic procedure, method and the main mathematical model of real_time irrigation forecasting.
讨论了实时灌溉预报的基本步骤和方法以及主要数学模型。
The forecasting method based on non linear chaotic model is not only reliable to small data sets, but also of little account amount and easy to handle.
这种建立在非线性混沌改进模型基础上的预测方法不仅对小数据组可靠,而且计算量小、相对容易操作。
Recursive forecasting method is easy to be implemented on computer and thus makes forecasting model discovery, model selection and forecasting automatic.
递归预测法便于计算机实现,并进而进行预测模型发现,模型选择和预测的自动化工作。
Using the information of rice phenology observed in Kai- yuan City and with the method of multiple regression, a long term forecasting model for rice yield was established.
本文以辽宁省开原市水稻物候观测实际资料为例,采用多重回归的方法,建立了影响水稻产量的多时效预报模式。
The critical rainfall amount was determined and the potential forecasting model of heavy rainfall regime landslides was built with the effective rainfall method.
利用实效雨量计算方法,确定了大降雨型滑坡临界雨量,以此为依据建立了潜势预报模型。
According to the economic indices of recent years, this paper constructs an econometric model of civil automobile by linear regression method and does some estimating and forecasting.
本文根据近年来国内各项经济指标,运用线性回归方法建立了民用汽车需求的计量经济模型,并对模型进行评价和预测。
To achieve a higher convergent speed, the forecasting model adopts Levenberg-Marquardt(LM) algorithm, and the model adopts early stop method to improve extended capacity of the model.
在预测模型中采用LM算法提高网络的收敛速度,并采用提前停止法提高网络的推广能力。
A new method of the medium term electric load forecasting according to time period forecasting tendency is given and meanwhile the multistep medium term load model is put up forward.
对电力系统中期负荷预测提出了按照时间段预测趋势修正的新方法,同时提出了多阶梯中期负荷模型。
In this paper, a method for modifying linear forecasting model to potential analysis forecasting model is discussed, and the distribution of forecasting value is given by using numerical simulation.
本文讨论把线性预测模型修改成势分析预测模型,并用数值模拟方法给出预测值分布的方法。
Based on the theory and method of mixed regressive model, the statistical correlative forecasting model of the DongShan's water level is got, it is the key level of controlling flood.
基于混合回归模型理论和方法建立了流域防洪重点控制站东山站水位统计相关预报模型。
A method for improving the grinding accuracy of bearing RACES by computer model building and forecasting is presented.
提出一种利用微机建模预报提高轴承套圈内圆磨削加工精度的方法。
Based on the classical model of liner regression and considering effects of fuzzy factors on load forecasting, a liner regression method of tow-layer fuzzy factors for load forecasting is established.
基于经典的线性预测回归模型,引入了模糊因素对预测结果的影响,构成了二级模糊因素的多元线性回归法。
Groups using projections on the demand for finished goods improved forecasting method, and based on the newsboy model to determine the best finished goods production.
采用群体预测法对产成品的需求预测方法进行了改进,并基于报童模型确定了产成品的最佳生产量。
The paper uses the forecasting method of grey system theory and builds the forecasting model of real estate production value of Guangzhou city based on the data from 1999 to 2004.
采用灰色系统理论的预测方法,以1999~2004年广州市的房地产产值为基础数据,建立了广州市房地产产值预测模型,并在此基础上对广州市区未来的房地产产值进行了预测。
The gray model forecasting theory and fuzzy control technology are introduced, and a new method based on gray model forecasting and fuzzy control of coal-feed in a jig is proposed in the paper.
本文对灰色预测理论及模糊控制技术进行了介绍,并提出了一种对跳汰机给煤量进行灰色预测和模糊控制的新方法。
Based on the regression fitting and Markov chain forecast method, the "Regression-Markov" integration model for forecasting road accidents is built in this paper.
在回归拟合函数的基础上,引入马尔可夫链预测理论,建立了道路交通事故的“回归-马尔可夫”复合预测模型。
Especially on the quantitative forecast aspect, forecast the urban land expansion by method of factor forecasting, method of trend extrapolating and method of ca model from different Angle.
特别是在定量预测方面,从不同角度运用因素预测法、趋势外推法、CA模型法等三种方法对城市用地扩展进行估算。
We propose a dynamic forecasting model based on the improved effective model of earned value management by the fuzzy comprehensive assessment and quantitative method.
在改良的挣值管理有效模型的基础之上,采用层次模糊综合评判和数量化分析方法提出了挣值管理动态预测模型。
Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测,并对玉米矮花叶病损失估计进行了初步探讨。
The results tested the pest data showed that the new method may be tried for the mid term or long term forecasting of the population dynamics of insect pests, and it is a good model for application.
研究结果表明,该预测模型为农业害虫种群动态的中长期预测预报提供了一种新的研究方法,是一种优良的模型。
The model of Equipment Support Socialization Human Resource Forecast by grey forecasting method and Markov probability matrix forecasting are set up.
通过运用灰色预测方法和马尔可夫概率矩阵预测对装备保障社会化的人力资源需求量建立了研究模型。
By forecasting a case and comparing it with the method of grey system forecasting model, we can see that the forecast results are very close.
通过实例预测并与灰色系统预测模型方法进行比较,结果表明,其预测值相当接近。
Seismic velocity and wave impedance properties of brine lake formations are analyzed using 2d seismic data with high resolution factor, forward, inversion and forecasting method for model are studied.
利用高分辨率二维地震资料,分析了盐湖地层地震速度和波阻抗特点,并对模型进行了正、反演及预测方法研究。
The thesis did a experiment on someone comply sales forecasting, proved that the model and research method is effective. It simply the network structure, enhanced the precision.
本论文对某公司销售进行了实例预测研究,证明本文所建立的模型和研究方法是实用而有效的,不仅简化了网络结构,而且提高了预测精度。
The combined use of above method and the metabolic fractal interpolation forecasting model provides new idea and new method for improving the runoff prediction precision.
并将该方法与新陈代谢分形插值预测模型结合使用,为有效提高径流预测精度提供了新思路和新方法。
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