error variance是什么意思

网络释义

用法例句

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

An interval estimator of error variance in nonparametric regression model;

回归误差方差的区间估计

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。

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。

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。

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。

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。

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。

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。

Interval Estimation of Mean Square Error for Linerar Statistic Model;

统计模型中误差方差的均方误差的区间估计

The Random Error Variance Consistentestimate of Measure Error Quadratic Multinomial Regression Model

测量误差二次多项式回归模型随机误差方差的相合估计

On the Question of Admissibility of Quadratic Estimators of Error Varuance in a Linear Model

线性模型中误差方差的二次估计的可容性

THE ADMISSIBILITY OF NON-HOMOGENE OUS ESTIMATE OF VARIANCE IN LINEAR MODEL

线性模型中误差方差的非齐次估计的可容许性

Discussion on the Semiparameter Measurement Model Error Variance;

半参数测量模型误差方差求解公式的探讨

Estimation of Error Variance in Genetic Analysis Models of Continuous Traits of Poultry

家禽连续性状遗传分析模型误差方差估计

Technique and Test of Error Variance Modeling of GPS's Reducing Noise Using Wavelet Transform

GPS小波去噪的误差方差建模技术与试验

Variance Component Esti mation with Gross Errors or Systematic Errors

含有粗差或系统误差的方差分量估计

Discussions on prospected error of observation s systematic error and comprehensive error;

关于观测值系统误差与综合误差的方差的探讨

alignment error

安装误差;调准误差;定线误差;校正误差;校直误差

ex post facto rms forecast error

事后均方根预测误差

digital tape error recognition

数字带误差识别方法

root - mean - square error

均方根[有效值]误差

The error analysis of GPS survey and the methods for reducing and eliminating errors;

GPS测量中的误差分析及减弱和消除误差的方法

The Calcuaation Method for Titration Endpoint Error by Using A Harmony Error Nonogram;

用统一误差图计算滴定终点误差的方法

The research on the measuring round error and the statistical distributing of round error

圆度误差评定方法及圆度误差统计分布的研究

accident error,accidental error

偶然误差,随机误差

fractional error

相对误差, 部分误差