证明了在均方误差准则下，在该估计类中不存在一致最优不变估计，且方差分析估计是不容许估计。
It is proved that there is no best estimator in the class under mean-squared-error criterion and the Analysis-of-variance (ANOVA) estimator is also inadmissible.
将线性混合模型中随机效应的协方差阵推广为正定阵，运用方差分析估计的方法给出了方差分量的估计。
In this paper, the covariance matrix of random effect in linear mixed model is extended to positive matrix. We construct the estimation of variance components based on the idea of ANOVA estimation.
采用一级反应动力学方程估计出这几种有机物的室内降解系数，并通过方差分析检验了参数估计的可靠性。
The reliability of parameter estimation was demonstrated by the variance analysis. The estimated indoor degradation coefficients of organic pollutants can be provided the important...
采用一级反应动力学方程估计出这几种有机物的室内降解系数，并通过方差分析检验了参数估计的可靠性。
The reliability of parameter estimation was demonstrated by the variance analysis. The estimated indoor degradation coefficients of organic pollutants can be provided the important basic data for th…
本文提出了一种单因子异方差模型，导出这种异方差分析方法，并给出了模型中均值与方差的估计。
This paper presents a single factor heteroscedastic model, deduce a method of this heteroscedastic analysis, and presents the estimation of mean and variance in this model.
提出了教学效率的协方差分析分析模型，介绍了模型的参数估计及假设检验的计算公式和方法。
The paper puts forward covariance analysis model about teaching efficiency, introduces some calculation functions and methods on the point estimation and testing hypothesis about the model.
正交设计是立足于方差分析模型的，通过方差分析来估计模型中的未知参数。
Orthogonal design which is based on variance analysis model estimates unknown parameters using variance analysis.
结果表明：方差分析法估计值偏差最大，而约束最大似然法的估计值最准确。
The simulation results indicate that the estimates of REML are most accurate and the estimates of ANOVA are most biased, compared with those of the other methods.
首先，本文使用方差分析、无参数估计对不同制度环境对IPO短期抑价的影响进行分析，考察不同发行审核制度以及在一定发行审核制度下不同发行定价机制对IPO短期抑价的影响；
At the first, this study using ANOVA, Non-parameter Estimation to analyze the IPO short-run underpricing in different institutional environments and mechanism to find out the impact from them.
首先，本文使用方差分析、无参数估计对不同制度环境对IPO短期抑价的影响进行分析，考察不同发行审核制度以及在一定发行审核制度下不同发行定价机制对IPO短期抑价的影响；
At the first, this study using ANOVA, Non-parameter Estimation to analyze the IPO short-run underpricing in different institutional environments and mechanism to find out the impact from them.
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