Univariate vs multivariate analysis

    • [DOC File]Try and write in meaningful sentences; clear and concise

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      Multivariate test for this effect only. If multivariate test is significant than do univariate test for this effect only. If univariate test has more than 2 levels than do comparisons for this effect only. Nth Main effect, etc. 1st 2-way interaction. Multivariate test. If multivariate test is significant than do univariate test


    • [DOCX File]Doubly Multivariate Analysis of RM Designs

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      really represent an analysis where the multiple dependent variables (visits, time, and latency) are evaluated simultaneously, but the within-subjects contrasts are based on averaged statistics (that is, those one would get with univariate repeated measures analyses, one on each of visits, time, and latency) rather than a multivariate treatment ...


    • [DOCX File]Chapter Four: Univariate Statistics - SSRIC | SSRIC

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      In performing univariate analysis, the level of measurement and the resulting distribution determine appropriate analysis as well as further multivariate analysis with the variables studied. The specific output from IBM SPSS one uses in a report is chosen to clearly display the distribution and central tendencies of the variables analyzed.



    • [DOC File]The multivariate analysis of variance (MANOVA) is a ...

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      The multivariate General Linear Model procedure (in SPSS) computes a multivariate effect size index. The multivariate effect size associated with Wilks’ Lambda (Λ) is the multivariate eta square: Multivariate η2 = Here, s is equal to the number of levels of the factor minus 1 or the number of dependent variables, whichever is smaller.


    • [DOC File]Data Screening Check List

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      Among continuous variables – whether searching for univariate or multivariate outliers the method depends on whether the data is grouped or not. If you are performing analyses with ungrouped data (i.e. regression, canonical correlation, factor analysis, or structural equations modeling) univariate and multivariate outliers are sought among ...


    • [DOC File]Repeated Measures ANOVA versus Multivariate ANOVA (MANOVA)

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      There are more parameters to be estimated in the multivariate approach than in the univariate approach. Thus, if the assumption for univariate analysis is satisfied, one should use the univariate approach because it is more powerful. Huynh and Feldt (1970) give a weaker requirement for the validity of the univariate ANOVA F-test.


    • [DOC File]Structural Equation Modeling - Purdue University

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      Like other multivariate statistical methodologies, most of the estimation techniques used in SEM require multivariate normality. Your data need to be examined for univariate and multivariate outliers. Transformations on the variables can be made. However, there are some estimation methods that do not require normality.


    • [DOCX File]Chapter 1 – An overview of multivariate methods

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      Univariate data – Information measured on one variable. Multivariate data – Information measured on multiple variables. We are going to the look at the relationships that exist in multivariate data. Example: Cereal data (cereal_data.xls) A few years ago, I collected information on the nutritional content of dry cereal at a grocery store.


    • [DOCX File]1:Exploring data and unadjusted (univariate) effect estimates

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      Commands for multivariate analysis. LOGISTIC REGRESSION. Use this command to view the current values of Analysis option settings and generate commands to change them. Statistical and graphic viewing options can be selected. Yes, No, and Missing values can be viewed in alternate forms.


    • [DOC File]Problems for the Multivariate Exams

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      For the univariate . regression analysis. of . X2 (as dependent variable) versus . X1 (as independent variable), (part of ) the MINITAB output was as follows: Regression Analysis: H-L versus C-L . The regression equation is. ... Problems for the Multivariate Exams ...


    • [DOC File]Supplementary Table 1: Univariate and multivariate Cox ...

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      Supplementary Table 1: Univariate and multivariate Cox proportional analysis of high HDL group vs low HDL group regarding overall survival in individual subgroups. Univariate analysis Multivariate analysis Parameter HR (95% CI) P HR (95% CI) P Tumor size ≥5cm 1 (referent) 6.402(1.963-20.880) 0.002 1 (referent) 9.667(1.155-80.918) 0.036


    • [DOC File]Detecting Multivariate Changes in Biological Assemblages ...

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      Anderson MJ (2001) A new method for non-parametric multivariate analysis of variance. Austral Ecol 26: 32-46 Anderson MJ (2001) Permutation tests for univariate or multivariate analysis of variance and regression. Can J Fish Aquat Sci 58: 626-639 Anderson MJ (2006) Distance-based tests for homogeneity of multivariate dispersions.


    • [DOC File]Table 2 Univariate and multivariate analysis of over ...

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      Table 1 Univariate and multivariate analyses of overall survival in LAD patients . Variables Univariate analysis Multivariate analysis Hazard ratio 95% CI P value Hazard ratio 95% CI P value Age 0.920 0.732‒1.157 0.476 Gender 1.064 0.846‒1.337 0.597 Smoker 0.903 0.715‒1.141 0.394 Tumor size 1.102 0.873‒1.391 0.416 Lymph node metastasis (No vs.Yes) 1.417 1.097‒1.831 0.008* 1.375 1.062 ...


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