查询词典 regression coefficient

After estimation we obtain the OLS regression line, or the sample regression function SRF

在估计之后，我们得到OLS回归线，或称为样本回归方程

The least squares technique for estimating regression coefficients minimizes this statistic, which measures the error not eliminated by the regression line.

用最小的计算方法来估计回归系数的最小值，从而来度量回归线中没有去除的偏差。

In this model via the weighted degree of membership, the effects of particular abnormal data on the regression line is weakened, thence the stability of the regression function is improved.

该模型通过隶属度加权来削弱个别异常数据对回归直线的影响，从而达到提高回归方程稳定性之目的。

If the data are well fitted to the regression plane, the estimates of regression parameters α and β, will lead to estimates of the trapped argon composition and the radiometric age for sample.

总而言之，当坐落在相同平面上的资料点群，则代表一个完整封闭之同位素系统。

This passage take the cash dividend policy as research object, combining the related the theory of dividend and dividend policy home and abroad to do the research. Take the data of 2006 as sample and the method of statistic, logistic regression, multi regression to analyze the characters and main influence factors of the list companies dividend policy. This passage can be divided to five chapters, structure and main points can be listed as follows.

本文以现金股利政策作为研究对象，结合国外有关股利及股利政策的理论，针对我国A股上市公司的现金股利分配情况，以2006年数据为样本，采用统计分析、logistic回归和多元回归的方法，分析我国上市公司的现金股利分配特点及影响因素。

The relations between antibacterial activity and specific proteins/polypeptides expressed under induction in housefly pupae were investigated by the methods of SDS PAGE combined with stepwise regression analysis and response surface regression analysis.

0 引言昆虫不像高等动物那样有完善专一的免疫体系，缺乏 B和 T淋巴细胞，没有免疫球蛋白和补体，但是它们有极强的适应能力和防御能力。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

Has only one nonconstant regressor x, it is called a simple linear regression model, or two-variables regression model, or

等式y = b0 + b1x + u只有一个非常数回归元。

The model can exploit the particular advantages of regression analysis and time series under the condition of the small sample, and make compensation for the residual errors of regression model to increase its precision.

该模型能够在小样本情况下充分发挥回归分析和时间序列各自的优点，对回归模型的残差项进行有效补偿，提高回归分析的精度。

Results the parameter estimates and it's stability of linear regression models is associated with the variation of explanatory variable between and within level 2units,and the relationship of parameter estimates and it's stability between linear regression models and variance component model is associated with level 2 residual variance or intatra-unit correlation.

结果 线性回归模型参数估计以及估计的稳定性与自变量在水平2单位间和水平2单位内的变异大小有关，线性因归模型与方差成分模型参数估计及其稳定性的关系与水平2残差方差或单位内相关系数大小有关。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。