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.
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。
The analysis can generate descriptive statistics, such as: the mean, variance, standard deviation, range, kurtosis and skewness.
该分析可以生成描述性统计，如：均值，方差，标准差，范围，峰度和偏度。
The analysis shows that the entropy, variance, the contrast and mean error will perform better.
分析表明，熵、方差、对比度、差平均的性能较好。
My results might thus help to reconcile mean-variance approaches to risk-return analysis with other, ex-ante, approaches.
因此，我的结论可以同以前的办法一起帮助均值方差方法与风险-收益分析相一致。
Mean fascial displacement amplitude was grouped by PP and analyzed using 2-way repeated measures analysis of variance and contrast analysis.
依据灌注压对筋膜移位程度进行分级，应用双因子重复性方差分析和对照分析进行数据分析。
The number of positive cell and mean of optical density were detected and the trend change was analyzed. The variance analysis and t-test were also performed.
测定阳性细胞数和平均光密度值，分析其变化趋势，并进行方差分析和t检验。
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.
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.
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。
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