查询词典 variation coefficient

Methods Fitting two-level random coefficient model and sequence effect to estimate the treatment effect and its variation between individuals.

通过两水平随机系数模型以及顺序效应的拟合，估计处理效应的大小及其在个体间的变异。

The range of variation of differentiation coefficient of morphological traits among population was between 11.85% to 28.34%.

结果表明，板栗种群间的方差分量占总变异的10.97%，种群内的占41.57%，7个性状种群间的表型分化系数变幅在

Divide the whole region D into finite units and corresponding link points may be obtained. Constructing the equation of variation calculation about every element leads to the finite number of equations. Further more, algebra equation group for general synthesis are gained by adding these finite number of equations, that is,{T}={P} where is the coefficient matrix of the equation group, or say the temperature rigidity matrix,{T} is the row vector of unknown temperature and {P} is the row vector of the terms on the right side of the equation.

然后将整体区域D划分成有限个单元并得到相应的有限个节点，从而可以得到关于每个单元的变分计算方程，将这有限个方程相加就得到了总体合成的代数方程组，即{T}={P}，其中为方程组的系数矩阵，也称温度刚度矩阵，{T}为未知温度值的列向量，{P}为等式右端项组成的列向量。

Hierarchical linear modeling is the most frequently used technique for analyzing multilevel data. In this paper, the twelve key issues in multilevel research and/or using HLM software were reviewed, and provided their exact meanings and feasible solutions. The 12 key issues included intraclass correlation coefficient, sample sizes, formation of organizational constructs, centering problems, fixed effect and random effect, estimation methods, goodness of fit index, explained variation, multicollinearity, robust standard error, level one variance equation, and empirical Bayes estimates.

本文针对阶层线性模式在多层次研究上有关於技术、测量与方法论所遭遇的问题，进行文献整理并讨论其实务意涵，并依据使用时机、抽样议题、资料汇总、分析方法、与模式评估与估算等五方面整理出十二项重要议题与解决之道，包括：组内相关系数的意义与判断准则、多层次研究各层的样本数问题、变数聚合成组织层次问题、中心化的意义、固定效果与随机效果的设定、估计法的选择、适配度的比较、解释变异量的计算、多元共线性的分析、强韧性标准误、第一层误差项变异数与实证贝氏估计值的运用。

In this paper two methods of calculating the variance of the sample's spatial means are used to study the influence of the self-correlation distance on the variation of the coefficient of consolidation.

采用空间均值的方差的两种算法分析了自相关距离对固结系数的变异性的影响。结果表明，随着自相关距离的增大，固结系数的变异性增大。

In this paper,The Sampling inspection plan of the standard form for the coefficient of variation of Gumbel distribution is given.

给出了 Gumbel分布变异系数的计量标准型抽样检验方案。

The precision offlow time of suspension was up to 10~(-3) second, and coefficient of variation was lowerthan 0.3%.

粘度测量中流动时间测定的精度达到10~(-3)秒，相对标准偏差小于0.3%。

Both approximate and calculated results of fundamental wave and second harmonic wave for intensity variation with phase aberrated coefficient have been presented. It is applicable to designs of harmonic generation for high power lasers.

第三部分：把准晶态结构引入到非线性光学介质中，得到所谓的超晶格，当这种超晶格的倒格矢与光波矢可以相比拟时，光波在其内的传播将与传统情况有很大的不同。

objective To establish the methods of calculating and analyzing the multi-coefficient of variation significance test for the toxicology study.

摘 要：目的建立多个变异系数显著性检验的计算与分析方法。

Author considers how to define the spatial distribution of point sets by using the coefficient of variation of the area of Voronoi polygon and makes its application.

探讨了根据Voronoi多边形面积的变异系数来分析点状目标的空间分布形式的方法并进行了应用研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。