نتایج جستجو برای: manova analysis
تعداد نتایج: 2825518 فیلتر نتایج به سال:
In this study, we examined the association among perceptions of racial and/or ethnic discrimination, racial climate, and trauma-related symptoms among 289 racially diverse college undergraduates. Study measures included the Perceived Stress Scale, the Perceived Ethnic Discrimination Questionnaire, the Posttraumatic Stress Disorder Checklist-Civilian Version, and the Racial Climate Scale. Result...
PURPOSE To determine whether visual functions are decreased in children with infantile spasms and vigabatrin-attributed retinal toxicity. METHODS Contrast sensitivity and grating acuity were measured by using sweep visual evoked potential (VEP) testing in 42 children with infantile spasms (mean age, 29.23 +/- 18.31 months). All children had been exposed to vigabatrin (VGB) for a minimum of 1 ...
Assessing the assumption of multivariate normality is required by many parametric multivariate statistical methods, such as discriminant analysis, principal component analysis, MANOVA, etc. Here, we present an R package to asses multivariate normality. The MVN package contains three most widely used multivariate normality tests, including Mardia’s, Henze-Zirkler’s and Royston’s multivariate nor...
Methods 48 sedentary women (48.2±10.5 yr, 45.9±4.4% body fat, 35.6±5.6kg/m) were randomized to participate in the Curves weight loss and exercise program (EX, n=28) or control group (C, n=20) for 12-wks. Participants followed an energy-restricted diet (1,200 kcal/d for 1-week and 1,500 kcal/d for 11 weeks; 30% CHO, 45% P, and 25% F) while participating in a circuit resistance-training (4 d/ wk)...
We find the joint generalized singular value distribution and largest generalized singular value distributions of the β-MANOVA ensemble with positive diagonal covariance, which is general. This has been done for the continuous β > 0 case for identity covariance (in eigenvalue form), and by setting the covariance to I in our model we get another version. For the diagonal covariance case, it has ...
Progressive resistance training has positive effects on the health of elderly people, however exercise programs for seniors frequently focus on other forms of exercise. This study is a randomised trial with a blinded assessor comparing a community based progressive resistance training program (n = 20) with a flexibility program (n = 20), both one hour twice weekly for 10 weeks. Outcomes were st...
Roy’s largest root is a common test in multivariate analysis of variance (MANOVA), with applications in several other problems, such as signal detection in noise. In this paper, assuming multivariate Gaussian observations, we derive a simple yet accurate approximation for the distribution of Roy’s largest root test, in the extreme case of concentrated non-centrality, where the signal or differe...
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