回归直线

变量的选取对回归直线的影响

The Effect of Selection of Variable on Regression Line

运用虚拟变量改变回归直线的截距、斜率；

Also , it can change the intercept and slope of the regression line .

实验数据采用Excel软件，以Weibull分布模型求算溶出参数并拟合回归直线，用t检验进行统计学分析。

Excel software , Weibull 's model and t test were used for the treatment of the data on drug dissolution .

通过系统的实验研究，发现岩石的Kaiser效应相对应的应力与所受的围压呈线性关系，并得到了统计回归直线。

And an experimental measuring method of in-situ stresses with Kaiser effect of rock samples under confining pressure is proposed , as well as the experimental principles .

方法采用个体采样，毛细柱气相色谱分析技术及PCR检测方法，比较不同基因型个体累计接触EE剂量与2乙氧基乙酸（EAA）浓度对数值回归直线的回归系数。

Methods Personal monitoring , gas chromatographic determination and PCR methods were conducted in this study . Regression coefficients of EE exposure vs. 2 ethoxyaceticacid ( EAA ) were compared between genotype A and genotype B workers .

回归直线法在公司理财中的应用研究

The Application Research of Linear Regression Method in Company Finance

过原点回归直线方程的拟合优度

Goodness-of-fit of a Linear Regression Equation Through Origin

回归直线拟合参数估算法在昆虫发育速率模型上的应用

Using Parameters Estimating Method of the Fitting of Linear Regression in the Modeling Insect Developmental Rate

回归直线的拟合度

Fitting degree of regression straight line

本法可用于建立回归直线方程的各个领域。

This law can be used to establish every field of the regression equation of straight line .

方法使用小剂量短时胰岛素耐量试验所测血糖回归直线的斜率为胰岛素敏感性指标。

Methods Using the small dose short time insulin tolerance test to determine the insulin sensitivity of patients .

建立测定铬的实验室校准直线方程，相关系数γ＝0.9960.以此作为测定铬鞣废水及回收铬渣中铬量的实验室回归直线方程。

The established equation serves as a regression linear equation to determine chromium concentration in tannery effluents or in chromium sediment .

应用回归直线法制定车削工时定额的探讨应用多元线性回归建立黄山松生长模型的研究

Formulating Working Time Quota for Metal Cutting with Regression Line ; Applying Multiple Linear Regression to Set Up Growth Model of Pinus taiwanensis

用概率单位处理数据，所获得的回归直线具有良好的相关性，相关系数r>0.99。

The data were transformed to probit unit , and the regression line obtained had a good correlation ( r > 0.99 ) .

如果在分析中使用的观察值扩大到几年以前，那么推导出的回归直线就会可能太悬殊。

If the observations used in the analysis extend back in time for several years , the resulting regression line may be too steep .

双对数回归直线计算分维在理论上是不正确的，可用修正公式直接计算，但问题仍未解决。看来标度变换法能否有效地解决简单分形维数的计算，还要进一步研究。

It is incorrect in theory to calculate fractal dimension through the way of log-log regression line , but by using directly the modifier formulas .

本文还提出一种反映回归直线拟合优度的新的相关系数。

A new correlation coefficient that indicates goodness of-fit for regression line will be introduced yet in this paper . The illustrative examples are presented .

本文提出了重合度法，即用试验参数的共同区域内回归直线置信带的面积重合度，判断实验结果的一致性。

A new approach , superposition rate of confidence bands ( SRCB ) for linear regression of the experimental data in common area , is proposed .

而估计值的平均误差，却是度量观察值围绕着回归直线的变化程度或分散程度。

The standard error of estimate , on the other hand , measures the variability , or scatter , of the observed values around the regression line .

桂朝二号、特青一号的单穗病粒数与秕粒率的二条回归直线可以用一个回归系数即2.248。

The two regression lines of the number of single-ear ill grain and of the blighted grain rate may use the same regression coefficient , i.e. 2.249 .

侧重分析静态回归直线误差模型及工程应用的可行性，通过例证比较说明统计估算法的优势。

Based on the fact that total error is needed by the system , this thesis emphasizes particularly on analyzing the static regression line error model and its engineering feasibility .

相邻层位的流速在时间序列上存在很高的线性关系，回归直线的斜率与水层距底床的高度、粗糙长度和摩阻流速有关。

A linear correlation exists between the current speed of adjacent layers , and the correlation is dependent on the height of the layer above the seabed , roughness length and shear velocity .

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的目的。

By means of weighted subordination degree this model weakens the influence of distinct abnormal data affecting upon the regression straight line and thus achieves the goal to enhancing the stability of regression equation .

同时，春谷不同熟性品种的叶龄指数又与幼穗发育阶段呈回归直线关系。

They have had close relationship to the initial stage of the elongation . They also form a linear regression relation between the developmental stages of the young ear and the leaf - age index .

用计算机辅助的回归直线方法测定了中药薄荷油的旋光率，这种方法是用不同浓度薄荷油的样品建立的，获得了满意的结果。

The specific rotation of the traditional Chinese medicine peppermint oil has been determined satisfactorily by the computer assisted regression line method , which was established using samples of the peppermint oil with different concentrations .

发现误差数据对建立回归直线方程的影响，阐述用优化数据建立经验公式的理论和方法，介绍微机程序。

Discover error data the influence of establishing the regression equation of straight line , elaborate to use optimization data establishment the theory of experience formula and method , the introduction program of personal computer .

建立了实测数据对回归直线的隶属度的计算公式，提出了以该隶属度为权重的模糊加权线性回归模型。

The computational formulae to the subordinative degree for the real measured data to the regressive line were established , and the fuzzy weighted linear regression model that takes that degree of subordination as the weight was put forward .

本文取珠江口28个验潮站1950&1985年观测记录，用最小二乘方回归直线方程进行计算，求出各站的水位升降速率，绘出三角洲各站的升降速率分布图。

We took tide-gauge records of 28 stations from 1950-1985 in the Pearl River Estuary , and calculated the number indicated in a linear regression line , finding the ratio of elevation velocity of each station in the delta . We also made a map of its distribution .

本文运用Logistic回归分析、直线回归分析、相关分析、聚类分析和因子分析，对肺活量、血压和脉搏等项身体机能指标进行了筛选，提出了评价身体机能的新方案。

We applied Logistic regression , linear regression , correlation analysis , cluster analysis ami factor analysis to sieve somatic function indexes , and put forward a new schewe which form an estimate of student individual somatic function .

对Weibull概率纸进行了研究，并运用钢板弹簧疲劳试验数据在Weibull概率纸上进行线性回归，回归直线的相关检验结果令人满意。

This paper investigated the Weibull probability paper , used the fatigue test data of leaf springs in the linear regression analysis , and the relative test results of the regression line were proved to be satisfied .