1) error variance
误差方差
1.
Admissible nonhomogeneous quadratic form estimate of error variance in linear models;
线性模型中误差方差的非齐次二次型可容许估计
2.
An interval estimator of error variance in nonparametric regression model;
回归误差方差的区间估计
3.
Let σ_n be the bootsrapping estimator of σ~2 that is error variance in the linear model.
设(?)~2为线性模型中误差方差σ~2的Bootstrap量,讨论了误差方差的Bootstrap估计量分布的逼近速度,这个结果类似关于u统计量的有关结论。
3) error variance
误差均方差
4) error variance
误差方差;误差偏差
5) mean square error
均方误差
1.
Firstly,screen the descriptors using support vector machine regression(SVR) by leave-one-out method based on the minimum mean square error(MSE),get the optimal kernel and the corresponding retained descriptors.
首先以均方误差(MSE)最小为原则,以留一法通过多轮末尾淘汰实施分子结构描述符的非线性SVR汰选并给出最优核函数和相应保留描述符;其次基于待测样本与训练样本保留描述符向量的欧氏距离,以不同k-近邻群子模型双重留一法预测值反映样本集的异质性;然后基于MSE最小,以留一法通过多轮末尾淘汰实施近邻群子模型的非线性SVR汰选并给出最优核函数和相应保留子模型;最后基于保留子模型以双重留一法实施组合预测。
2.
For the generalized linear model with aggregated data:Y=Xβ+u,Eu=0,Var(u)=σ2∑,this paper is built two kinds of biased estimators: ridge estimator β(k)and improved ridge estimator β(k)which are discussed some superiority to the estimators in the sense of mean square error.
在均方误差意义下,研究了它们的优良性,并将岭估计与改进岭估计进行了比较,推广了有关文献中的结果。
3.
As to seemingly unrelated regression system,a new biased contracting estimator of the parameters is put forward,which is the combination of generalized ridge covariance-improved estimator and Stein estimator,and the good features of this estimator in mean square error is discussed.
对于一类相依回归系统,结合广义岭型协方差改进估计与Ste in估计,提出了一种新的有偏压缩估计,,并讨论了该估计在均方误差下的优良性质。
6) error equation
误差方程
1.
The error equation of a real reduction-to-the-pole algo-rithm under this theory shows that oscillation and distortion which get more severetoward lower latitude in reduction-to-the-pole in low latitude area result from thelimitation of existing algor.
以这一理论分析化极问题所得到的化极算法误差方程告诉人们，低纬区化极中随纬度降低而加剧的振荡和畸变问题，既非位函数本身所固有，亦非傅里叶变换之必然，乃是现有傅里叶变换数值计算方法的局限性所致。
2.
Parameter adjustment,which has many advantages such as the strong rule of error equation which is very convenient for programming and assessing precision,the choiced parameters are just the achievement after adjustment and so on,is used extensively in survey adjustment.
间接平差以误差方程规律性强、便于用计算机编程解算、精度评定方便、所选参数往往就是平差后所需要的成果等优点在测量平差中得到了广泛的应用。
3.
The paper mainly research on the error equation of its in-motion,and analysing them.
主要研究了其在动基座条件下的误差方程,进行了误差方程的分析,并用广义卡尔曼滤波方法进行了动基座条件下MEMS惯性测量组件的对准研究。
补充资料：误差方差
分子式：
CAS号：
性质：表示随机因素引起的实验误差大小的方差。
CAS号：
性质：表示随机因素引起的实验误差大小的方差。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条