接着利用统计学方法，建立影响因素与产值之间的直线回归模型，并对回归模型拟合程度进行分析；
Then using statistics method, establishing the regression model of straight line and analyzing join level for regression model;
对实验数据进行回归拟合，建立了磷酸料浆过滤速度的经验数学模型。
Regressing and fitting the experimental datum, the aim is to establish an empirical mathematical model for filtration rate of phosphoric acid slurry.
线性回归模型的拟合效果总体较差。
在三个地区应用ppr进行降水量预测建模、模型的拟合及预留预测检验结果均好于逐步回归建模的相应结果。
The results of application of PPR model to the precipitation prediction in three regions are better than that of stepwise regression for fitting and prediction.
应用最小二乘法，通过对中心复合设计实验数据的拟合，建立了旋涂法制备聚合物薄膜的膜厚回归模型。
In this paper, the regression model of the polymer film-thickness spin-coating is established by using the least squares and the experimental data fitting with central composite design.
文章对我国通货膨胀建立非参数回归模型，取得了令人满意的拟合效果。
In this paper, a nonparametric regression model is established for the inflation of China, and a satisfying fitting result is obtained.
研究运用线性回归及曲线拟合手段推导投标报价模型的方法，并进一步运用模糊预测技术研究获取对手的竞标能力值。
Discuss the means of deducing bidding models by linear regression and curve fit method, and further more, acquire rivals' bidding competitive ratio with fuzzy forecasting technique.
最小二乘法在化工中广泛用于数据拟合的线性和非线性回归及模型参数估值。
The least square method is popularly used in linear and non-linear regressions for data fitting and estimating model parameters.
本文给出的带权优化曲线回归模型参数计算公式，修正参数速度快，拟合精度高，效果显著。
The calculating formulae of weighted optimum curve regression model parameter given in this paper possesses high speed of parameter correcting, high precision of fitting and obvious effect.
通过对模型进行回归分析，证明此模型具有良好的曲线拟合特性，模型精度较高。
Through regression analysis of models, this model proved to have good curve fitting characteristics, relatively high precision models.
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。
Based on the regression fitting and Markov chain forecast method, the "Regression-Markov" integration model for forecasting road accidents is built in this paper.
与传统回归拟合公式相比，该模型具有容错性好、通用性强等优点。
Compared with traditional regression fitting formula, the model has good fault tolerance, versatility and other advantages.
当前要想了解我国的居民可支配收入与消费性支出，就必须利用半线性回归模型的优良拟合性质进行分析。
In this paper, based on the large sample property of semilinear model, we analyze the relation ship between living expenditure and disposable income in China.
用实测值回归出了耐候钢的新型变形抗力模型，而且该模型具有较高的拟合精度。
The model of the deformation resistance of weathering steel is calculated by measured value and it has higher fitting precision.
目的回归分析中，曲线拟合的好坏，取决于我们选择的期望函数模型是否适宜。
Objective In the regression analysis, the performance of the fit is up to the choice of the expectation function for the model.
考虑了几个主要经济因素对居民用电量的影响，并用历史数据拟合出用电量多元线性回归模型。
This paper considers the effects of some economic factors to residential electricity consumption, and builds the multiple liner regressive equations MLRE using historical data.
拟合方差与回归系数标准偏差存在明显的相关关系。线性模型能解释的方差越大，回归系数标准偏差越小。
It is found that the more the variance explained by the linear model, the smaller the standard deviation of regression coefficient.
运用所拟合的数量化回归模型预测马尾松幼林的树高和胸径可达到较高的精度。
The fitted quantitative regression models could be used to forecast height and DBH of the young stands, and the forecast precision was high.
结果表明，该预报模型对历史样本拟合精度高，试报效果明显好于传统的逐步回归模型，可在汛期预测业务中应用。
The model is tested and result shows that this prediction model is significantly better than traditional regression model, and it has a good prospect in business application.
根据实测的数据，采用一元线性、多元线性和非线性回归进行拟合，得到34个红海榄幼苗主要形态因子和生物量的回归模型。
Based on the data observed, 34 regression models on the morphological variables and biomass of the seedlings were set up using linear, multilinear and non linear regression.
结果个体成长模型的拟合度比普通回归模型的拟合度要好，个体成长模型可在个体水平上分析个体随时间产生的变化。
Results individual Growth model fitted better than the normal regression model, and it could analyze individual change over time at the individual level.
结果显示，空间回归模型具有更高的拟合度。
It was shown that spatial regression model had higher fitting degrees.
方法采用COX回归模型对广西2000年出生的围产儿1075例(包括出生缺陷儿317例和正常对照儿758例)进行干预模式拟合。
Methods: Intervention modeling was carried out on 1075 perinatals (317 cases with birth defects, 758 cases without birth defects as control) born in Guangxi province in 2000 with COX regression model.
按不同数学力学模型对数据进行回归分析，取得了较好拟合效果。
The regression analyses of the test data based on different mathematical mechanical models give very effective results.
对该分级标准及回归模型的拟合检验结果表明，当蚜情指数小于80、抽样量在100株以上时，对蚜量的估计可达90%的准确度。
Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.
回归模型的残差项反映了对被解释变量有影响但未列入解释变量的因素所产生的噪音，这部分噪音可由时间序列模型进行拟合。
The residual term in the regression model is the noise generated by the omitted variables that influent dependent variable in the model. The time series model can fit this noise.
本文提出了一种用加权多项式回归对球状模型和二级套合球状模型的变差函数进行最优拟合的方法。
The paper suggests an approach, utilizing the weighted polynomial regression for the best fitting of the variogram about spherical model or two-order nested spherical model.
在此基础上，得到了多元曲线回归的预测模型，拟合率为100%。
The mathematical model of multivariate curve regression analysis was obtained and the corrective ratio was 100%.
在此基础上，得到了多元曲线回归的预测模型，拟合率为100%。
The mathematical model of multivariate curve regression analysis was obtained and the corrective ratio was 100%.
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