查询词典 variance analysis

This article first discusses the significance of homogeneity of variance, then studies the general method of transformation for homogeneity of variance on the relation between the data mean and the variance when population distribution is known ,and it uses the Mathematica software to analyse the variety rules between the parameter and the variance in the corresponding transformation.

从方差非齐性数据处理中的变换的必要性入手，根据数据均值与方差之间的关系研究了总体分布已知时的方差齐性变换的一般方法，并利用Mathematica软件分析相应变换中参数与方差之间的图形规律，最后介绍了总体分布未知时的BoxCox变换的一般原理。

Therefore, just like the direct material variance, when the labor cost for a task differs from standard, the direct labor variance can be divided into a labor efficiency variance and a labor rate variance.

正像直接材料差异那样，对一项工作的实际成本与标准成本之间的比较，直接人工成本也可以分成工时量差异和工资率差异两部分来分析。

Based on the researches of system factors, system characters and the influence of market structure to market behavior, the chapter points out the characteristics and rules of china bond market system variance. On account of the Promoting Effect Government Dominated behavior, compellent system variance runs through the evolution of market structure and act on it. Although derivational system variance also works, it can't be the dominant because of the long variance time and high cost.

根据制度变迁理论研究债券市场结构的制度成因、特点及其对于市场结构和行为的影响，指出中国债券市场制度变迁的特点和规律，由于在中国债券市场的发展过程中，政府主导行为具有明显推动效应，强制性制度变迁始终贯穿于市场结构演变的过程中，并对其形成重要作用；诱致性制度变迁虽然也穿插其中，但由于其变迁时间长、成本高等特点，无法形成主导力量。

In each subperiod,the static rank variance and the static density variance of the population are defined,thus the DMOPs is transformed into several bi-objective static optimization problems by using the static rank variance and the static density variance.

然后把动态多目标优化问题近似地转化成了若干个两个目标的静态优化问题。在给出的一种能自动检测环境变化的应答算子下，提出了一种动态多目标进化算法，同时证明了算法的收敛性。

In this article, by exploiting flanking markers through the widely applied half-sib design, we have developed the structures of three variance components, i.e., variance component between marker genotypes, polygenic variance component and recombinant variance component within marker genotypes.

该文在侧翼标记情况下利用广泛使用的半同胞设计提出了3种方差组分，即标记组间方差、组内多基因方差和组内重组方差及其构成。

In terms of data treatment, SPSS for Windows was used to conduct statistical analysis by methods of item analysis, factor analysis, reliability analysis, descriptive statistics, t-test, one-way multivariate analysis of variance, and one-way analysis of variance. Each research result item was discussed, and the results of this study are summarized below

在资料处理方面，以SPSS for windows进行项目分析、因素分析、信度分析、描述统计、t考验、单因子多变项变异数分析与单因子变异数分析等方法加以统计分析，逐一讨论各项研究结果，兹将本研究的结果归纳如下

Course contents include the analysis of variance and covariance, multivariate analysis of variance and covariance, principle component, factor analysis, cluster analysis, discriminant analysis, canonical correlation analysis, multidimensional scaling, discrete choice model, and LISREL.

其主要内容包括变异数与共变异数分析、多变量变异数分析、主成份分析、因素分析、集群分析、区别分析、规则相关分析、多元尺度法、二元质量选择模型、及 LISREL 模型。

Students will learn Regression Analysis, Multivariate Analysis of Variance, Discriminate Analysis, Categorical Data Analysis, Principal Component Analysis, Canonical Correlation Analysis, Factor Analysis, Cluster Analysis, and Multidimensional Scaling Analysis.

同学们将在本课程中学习回归分析、多变量共变数分析、鉴别分析、类别资料分析、主成分分析、正典相关分析、因素分析、集群分析、多元尺度分析常用的多变量分析模式。

By the comparison of the variances in the whole process of analysis (the overall variance, the sampling variance and the sample analysis variance), a new concept named Critical Sampling Mass for well mixed bulk materials was presented, and the relative equation for calculating the CSM was derived.

通过对分析全过程中各个步骤的方差的统计分析，提出了临界取样量的概念和计算公式，探讨了取样的代表性问题，该项研究为客观上分析总方差所能达到的水平提供了理论依据。

The key to feature extraction is to select the optimal feature combination from all the features. In this study, the optimal color feature combination,{/G,(R+4G+B)/6, H variance, S variance}, is selected using genetic neural network at first. Then the main texture features including the mean, variance, energy and entropy of the cooccurrence matrix, the secondary texture features including the maximum frequency number, absolute uniform, inertia and importance of the co-occurrence matrix are extracted.

在此基础上，提出适合多阈值和小目标图像分割的免疫遗传图像分割方法，该方法借鉴了生物免疫系统自调节、抗原识别和记忆功能，并结合了遗传算法对图像进行自适应区域的阈值分割，改善了遗传算法优化复杂问题时存在收敛速度慢和易陷于局部最优的不足，克服了传统阈值分割方法对目标大小的限制，是一种新型的有效的图像分割方法。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。