还有多元测试,一次可以比较多个变量。
There is also multivariate testing, which compares more than one variable.
对于多元正态随机变量二次型的独立性的证明,最重要的是证明一个引理。
It is very important to prove a lemma for the proof of the independence between two quadratic forms of multivariate normal variables.
将模糊集理论引入多元线性回归中,通过模糊控制变量,可以得出更符合实际,也更容易为人所理解的回归模型。
By introducing fuzzy control variable, the paper proposes a fuzzy multiple linear regression model which can get more effective and more understandable fuzzy regression expression.
结果:经多元逐步回归分析,进入回归方程的变量依次为日常生活能力量表评分、卒中次数、婚姻状况、陪护情况、抑郁自评量表评分。
Results: Five independent variables had been put into regression equation by multiple regression analysis, which were ADL score, stroke attack time, marriage, carer and SDS score.
实证部分主要包括多变量检验、单变量t检验、趋势图分析以及多元线性回归分析等。
Evidences include some of the major multi-variable tests, a single variable t tests, trend analysis and multiple linear regression analysis.
在此基础上,通过逐步回归分析确定用于高速公路事件持续时间预测的最佳变量组合并建立多元线性回归模型。
Then, stepwise regression analysis is used to select a best group of factors for the prediction of expressway incident duration, and the multiple linear regression model is established.
本文讨论多元质量数据的矢量分析方法,几何变换,坐标旋转和初始变量的主分量计算不同变量的主分量值。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
对多元线性回归模型参数的预测,转化为对其变量集合的增广矩阵的叉积阵的预测。
Prediction to the regression parameters was converted to predict cross product matrix of the variable augmented matrix.
结果:(1)一元多水平模型和多元多水平模型筛选变量的结果基本一致。
Results: (1) The results from one-variate and multivariate multilevel models were mainly consistent.
目的 :在多元线性模型中 ,估计各自变量的相对重要性。
Objective The work was designed to estimate the relative importance of each variable in multiple linear model.
研究了任意秩多元线性模型中最优线性无偏预测的稳健性,即对任一线性可预测变量,得到了其关于协方差矩阵具有稳健性的充要条件。
The conditional optimal prediction of the conditional predictable variable in the multivariate linear model with arbitrary rank and linear equality constrains was investigated.
采用多元逐步回归分析,发现ALAD基因型对血铅水平的影响在排除协变量影响后仍有极显著的统计学意义。
After controlling these possible confounding variables by multiple regression, the contribution of the ALAD isozyme phenotype to the blood lead levels was still statistically significant.
以年龄、身高、FVC为自变量,在IBM-PC/XT计算机上用多元逐步回归法建立呼气和吸气阻力的回归方程。
The regression equations of expiratory and inspiratory resistances were built with multiple stepwise regression analysis on the IBM PC/XT computer with age, height and FVC as independent variables.
国内外的绝大多数文献都把多元化当作外生变量,很少关注多元化经营的影响因素。
Diversification in most literature is treated as external variable, and has little concern about the factors affecting firm diversification.
结论:在形态学上进行多元线性回归分析,可以通过某些已知变量来预测某个未知变量。
Conclusions: The multiple regression analysis may predict unknown variable from known variables in morphological application.
在多元回归模型建立的过程中,由于各个变量的测量单位不相同,多元回归模型无法正确地评估出各个分量对预测值直接的和间接的影响。
The model of multi-regression cannot correctly distinguish the direct and indirect effects from different components in the process of building because the measuring units have differences.
多元回归分析的目的是确定有关变量间的回归方程,从而估计因变量的数值。
The aim of multiple regression analysis is to determine regression equations of relative variables, in doing so, We can estimate numeral value of dependent variable.
传统的多变量统计分析方法,主要是指主成分分析方法、因子分析方法等我们常说的多元统计分析方法。
Traditional multivariable analysis method mainly includes Principal component analysis method, Factor analysis method that we usually talk of.
以MQ为因变量进行多元回归分析,TAS-26因子与受教育年限依次进入回归方程。
The factor of TAS-26 and educational years enter the regression equation for MQ in turn.
中医对疾病的诊断、辨证和治疗是多方面的,用数学的语言讲就是多元的、多变量的。
Multiple aspects are considered in diagnose, differentiation of syndrome and therapy in TCM which can be called multivariable by mathematic language.
主成分分析是一种将多个变量化为少数几个综合新变量的多元统计分析方法。
Principal component analysis(PCA) is a technique for linearly compressing multidimensional data into lower dimensions with minimal loss of information.
以动态血压为因变量做多元相关分析。
The canonical analysis was used with the ambulatory blood pressure as the dependent variable.
分析当多元随机变量协方差阵正定时,各随机分量应满足的关系,并结合多项分布研究离散型与连续型样本协方差阵的不同。
And studying the difference of positive defined matrix of discrete and continuous sample by using of mal-distribution and the relationship among weights.
目的:探讨多元多层分析模型在具有多个因变量的纵向研究资料中的适用性。
Objective: To explore the applicability of a multivariate and multilevel model in a longitudinal research with several dependent variables.
本文还对古陶瓷化学组成数据多元统计处理中变量和样品的选择和舍弃,数据处理结果的表述,特别是作考古推论中的某些问题进行了探讨。
Selection or deletion of chemical elements and samples in data processing, problems in the display of the research results and archaeological inference are discussed.
以遥感本底值为因变量和所筛选的评价指标为自变量建立多元线性回归方程。
In each index type, there was an index was selected as the evaluation index for its correlation variables was the biggest.
以遥感本底值为因变量和所筛选的评价指标为自变量建立多元线性回归方程。
In each index type, there was an index was selected as the evaluation index for its correlation variables was the biggest.
应用推荐