本文在残差gm(1,1)模型的基础上,建立了时数分离残差模型,对误差进行修正。
For amending it, an error model of Time-Data-Separation Approach is presented on the basis of GM (1, 1) model of error in this paper.
利用灰色理论的GM(1,1)残差模型,建立了甜菜糖厂生产期蔗糖分的预测模型,精度较高,获得满意效果。
The mathematical model of sucrose content is given with residual GM (1, 1) model of the grey systematic theory in this paper. The result is precision.
此外,由于不同用户对预报精度的需求不同,本文以海口站2000、2001年的预报结果为例构建了残差模型。
In addition, the residual error model is built based on the forecasting results in 2000 and 2001 at Haikou, China for different requirements of various users.
应用灰色系统理论,建立了预测煤层瓦斯含量的灰色系统GM(1,1)模型,并用残差模型对预测模型进行了修正。
The grey system GM (1, 1) model for predicting gas content in coal seam is established by applying the grey system theory and the prediction model is modified with the residual model.
理论分析和实例计算都表明:“残差熵”可以作为一种有效的度量方法用于动态模型的适应性检验和定阶。
The numerical experiment of a fire control accuracy test demonstrates that residual entropy can be used as a measure for dynamic model checking and order determination.
文中介绍了季节性神经网络建立的残差修正模型。
The paper introduces a modified model of seasonal artificial neural network.
进而证明了LPC模型在残差信号量化时的稳定性。
And then the stability of LPC model when quantizing the residual is proved.
六西格玛黑带应能够识别不恰当的回归模型的残差图形,并能应用正确的补救方法。
The Six Sigma Black Belt will be able to identify patterns in residuals from an improper regression model and to apply the correct remedy.
提出了一种基于残差的自适应多模型算法,其基本思想是通过残差的大小来分配多模型中单个模型在整体估计中的权重。
An adaptive multiple model algorithm based on residual is presented, its basic idea is to assign the probability of each model in overall estimation through the size of residual.
本文给出了若干近似公式,以分析非线性回归模型的最小二乘估计的残差。
Several approximate formulas are given for residual analysis of the least square estimator in nonlinear regression model.
提出了基于改进的BP神经网络学习算法和自适应残差补偿算法的炼铜转炉吹炼终点组合预报模型。
It is the first time that a converting furnace endpoint prediction model based on an improved BP neural network and error compensation of linear regression.
从最新的广义模糊集理论出发建立了一个较为完善的综合评价模型,并提出了残差估计建造评价函数及检验方法。
Based on the theory of generalized fuzzy set, a comprehensive evaluation model has been built, which provides residuals estimate, evaluate function and test methods needed.
通过减变量残差图,不但可以容易地考察一个变量在模型中的作用,而且可以诊断样本点对模型和变量的影响大小。
It can not only be used to determine the importance of an explanatory variable in the regression model, but also to detect some cases with influence on the model and variables.
所建模型具有较低残差、较高精度,有较好的可行性和适用性,可为管理规划提供决策依据。
The results show the built model has lower residual, higher accuracy and better feasibility and suitability, which can be used as decision reference for the management and planning.
残差计算表明,离散模型是可靠的,辨识结果正确。
The residual calculation shows that ARMAX model is reliable, and the identified result is correct.
针对原始数据波动情况,提出了残差周期模型以提高预测精度。
To counter the fluctuating case of original data, residual periodic model is put forward to increase forecast precision.
提出一种时间序列模型残差诊断捡验的非参数方法。
In this paper, we present a nonparametric approach for checking the residuals of time series models.
方法:利用COX回归模型的两种残差和经验影响函数识别COX模型的强影响点,并通过实例比较两种方法的优劣。
Method: Apply two kinds of residual theory and influence of COX model to diagnosing the influence point of COX model, and compares residual analysis to influence analysis.
预报结果发现,均生函数残差预报模型对原有模型在预报精度上都有一定的改进,取得了较好的预报效果。
The forecast result finds that the model has obtained a good forecast effect after it makes a certain improvement to the original model.
所采用的正常高残差拟合方法,既顾及了似大地水准面模型的几何特性,又顾及了其物理特性。
Residuals used in normal fitting method, not only takes into account the quasi-geoid model for the geometric properties, but also take into account its physical properties.
针对道路交通事故的预测问题,以灰色预测模型为基础,建立残差灰色预测模型对交通事故进行预测。
In terms of road traffic accident forecast, residual error gray forecast model has been established to forecast road traffic accident on the basis of gray forecast model.
此外还提出了用GM(1,1)模型对残差进行修正的灰色动态数据模型。
Besides, the grey dynamic data model that the residual is adjusted by GM (1, 1) is given.
统计检验和残差分析表明模型可靠。
The model is reliable and adequately describes the experimental results.
该模型采用ARMA模型描述实测流量的先验分布,采用AR模型模拟预报残差的似然函数,并假定先验分布和似然函数均服从正态分布。
The ARMA model was used to describe the prior distribution of observed discharge and the ar model was adopted to simulate the likelihood function of forecasting error.
所建模型经残差检验和后验差检验,符合预测规律,具有一定的有效性、可行性和适应性。
The model is the accordance with the forecast rule, and the validity , feasibility and suitability.
工程实例表明,该模型能够满足工程的需要,且带有残差修正的自调整非等步长GM(1,1)模型的精度最高。
A practical engineering example verifies that these models can meet the project requirement; moreover the self-modifying GM (1, 1) model has the most high accuracy.
最后,结合链子崖工程实例,计算分析表明原模型及残差修正模型能满足工程的需要,具有较好的预测精度。
In the end, calculation and analysis of engineering examples indicate the primitive model and modified model are of good prediction precision and can meet the needs of engineering purposes.
最后,结合链子崖工程实例,计算分析表明原模型及残差修正模型能满足工程的需要,具有较好的预测精度。
In the end, calculation and analysis of engineering examples indicate the primitive model and modified model are of good prediction precision and can meet the needs of engineering purposes.
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