2) least square estimate
最小二乘估计
1.
The lower bound of efficiencies of least square estimate with respect to the ridge estimate;
最小二乘估计相对于岭估计的效率下界
2.
The least square estimate of covariance matrices in the growth curve model with random effects;
含有随机效应的增长曲线模型协差阵的最小二乘估计
3.
Therefore, firstly the definition of optimal combinatorial forecasting model is given in the sense of least square estimate to find out the expression of weight of the above mentioned model and to prove it to be unique.
笔者给出最小二乘估计意义下的最佳组合预测模型的定义,并求得其权的公式和证明权的惟一性;用回归分析方法建立多个回归模型,并按3条标准即①回归指数大、②系统误差小、③模型精度高,选定最佳非线性回归模型;用灰色理论建立多个灰色模型,并按3条标准即①后验差比值小、②小误差概率大、③预测关联度大,选定最佳灰色模型;再将最佳回归模型与最佳灰色模型有机地结合起来建立中国火灾最佳灰色回归组合预测模型。
3) least squares estimation
最小二乘法估计
1.
Results show that, when data accord with the Gauss-Markov hypothesis, the least squares estimation of parameters is better than any other linear unbiased estimations, including that of genetic al.
对于分析化学中可化为线性函数的非线性拟合问题，利用文献数据对最小二乘法与遗传算法所得结果进行了比较，结果充分表明在数据满足Gauss－Markov假定时，对参数的最小二乘法估计所得结果要优于任何其它线性无偏估计以及遗传算法所得结果。
4) least squares estimate
最小二乘估计
1.
Based on this, the paper deduces the least squares estimate under the contaminated model.
研究了污染模型下观测值的分布结构及方差，并以此为基础导出了污染模型下的最小二乘估计。
2.
In order to improve the location accuracy of the ship-borne microwave OTH radar, this paper analyzes its location error quantitatively according to its geometry relations and the least squares estimate.
为提高舰载微波超视距雷达的定位精度 ,本文从交叉定位的几何关系入手 ,运用最小二乘估计定量分析了交叉定位的定位误差。
3.
In this paper,the relative efficiencies of three estimators with respect to the least squares estimate are shown.
本文给出了关于最小二乘估计的三种估计的相对效率，并研究了它们的性质以及与文献［２］讨论过的另一种相对效率的关系。
5) least square estimation
最小二乘估计
1.
Least Square Estimation and Removal of Power Line Interference in the Electrocardiogram;
心电信号中工频干扰的最小二乘估计和消除
2.
The recursive algorithm of least square estimation in multiple linear regressions;
多重线性回归的最小二乘估计的递推算法
3.
On the data including the discrete points,least square estimation can not control the strong error affecting the regression curve.
在含有离群值的情况下,分析了最小二乘估计不能克服粗大误差对回归曲线的影响。
6) least squares estimation
最小二乘估计
1.
The least squares estimation was applied to the analysis of deck deformation.
利用最小二乘估计对甲板的变形进行了分析。
2.
This paper presents ordinary least squares estimation, indirect least squares estimation, two-stage least squares estimation, generalized least squares estimation and three-stage least squares estimation of structural parameters for simultaneous linear equations model.
介绍了联立线性方程组模型可识别时结构参数矩阵的几种估计：普通最小二乘估计、间接最小二乘估计、两步最小二乘估计、广义最小二乘估计以及三步最小二乘估计，对这５种参数估计进行了随机模拟，表明这些估计中以广义最小二乘估计和三步最小二乘估计为最好。
3.
A new algorithm of least squares estimation of friction is proposed and in comparison with the existing methed,the new algorithm has two advantages: (1)the acceleration signal is not needful; (2)it is applicable even when the velocity is zero.
提出了一种新的摩擦力最小二乘估计方法，和现有方法相比，其优点是不使用加速度信号，且适用于速度可能为零的情
补充资料：最小二乘估计
分子式：
CAS号：
性质：一种参数估计方法。基于使偏差平方和达到极小的原理，对参数进行估计。
CAS号：
性质：一种参数估计方法。基于使偏差平方和达到极小的原理，对参数进行估计。
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