查询词典 standardized regression coefficient

At present, semiparametric model, functional coefficient model and quantile regression are key issues in the field of regression analysis, they have been applied widely in multi-variable data analysis, economics and finance.

半参数模型、变系数模型和分位数模型是当今回归分析中研究的热点问题，在实际问题尤其是在多变量数据分析、经济学、金融学中有着广泛的应用。

Especially, by an example for analysis of the authoritical boston housing prices data, we emphasize on applying an new regression model and method -- semiparametric functional coefficient quantile regression and two-step estimation method to show the great explaination of the new

介绍了非参数回归和半参数回归的发展历程及其估计方法，还介绍了分位数回归的相关理论及其研究现况。在半参数、变系数回归和分位数回归的基础上，进一步讨论了非参数和半参数的变系数分位数回归模型和局部多项式线性估计法。

A regression coefficient of 0.863, indicates a satisfactory regression equation.

回归系数 r 为0.863，说明方程是理想的。

On the basis of the balanced loss function proposed by Zellner, we discuss the balanced loss risk and obtain various estimations of regression coefficient in linear regression model.

本文从Zellner提出的平衡损失函数出发，通过讨论平衡损失风险，得到线性回归模型中回归系数的各种估计。

The unitary linear regression analysis showed that the b value of regression coefficient and the a value of constant term were relatively small in Shajinhong, Shanhuang apricot, Chuanzhihong, Apple apricot, and Lanzhou apricot by comparing them with the degree of cold resistance.

结果表明：经一元线性回归，用回归系数b值和常数项a值来对比分析抗寒性大小发现：沙金红、山黄杏、串枝红、苹果杏和兰州杏等品种的这两个数值相对较小。

The correlation coefficient of this model was 0.66, which passed the validation of regression equation and regression coefficients.

模型的相关系数为0.66，通过了回归方程和回归系数的检验。

At leaf scale, TJ photosynthesis model was selected and Gao stomatal conductance model was proved suitable for semi-arid region after comparing with BBL model through the parameter regression and analysis of model sensitivity. Plant physio-ecological characteristics were analyzed based on the parameters gained from the nonlinear regression using TJ model and Gao model with field experimental data. As C4 photosynthesis types Zea mays and Panicum miliaceum 's carboxylation coefficient are bigger than the others.

在叶片尺度上，选择TJ模型作为叶片尺度所使用的光合模型，并对景观模拟中经常用到的Ball-Berry模型和Gao模型进行比较，通过参数拟合和模型的敏感性分析，选择Gao模型作为叶片尺度的气孔导度模型，应用模型模拟的结果，分析了研究区主要植物种的生理生态学特性。C4光合型的玉米和糜子，羧化速率系数大，光合能力强。

And it is verified by test of significance of the regression equation and regression coefficient.

K形方管节点的平动位移的因素分析及BP神经网络模拟。

Multiple linear regression analysis showed that the regression coefficient for the spleen volume was at a maximum.

多元线性回归分析显示，脾脏容积与肝纤维化病理学分期的回归系数最大。

Some troubles emerge when we use regression estimator in such a case:in a continuous survey research,when the prior sample and the present sample are independent and they have different elements,we can not compute the regression coefficient.

作连续调查研究抽样时经常用到回归估计。如果前后两个样本相互独立，并且它们所包含的元素不同，就无法直接计算出回归系数。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。