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analysis-of-variance test

См. также в других словарях:

  • analysis of variance — n analysis of variation in an experimental outcome and esp. of a statistical variance in order to determine the contributions of given factors or variables to the variance * * * (ANOVA) a statistical method for analyzing the effects of each of… …   Medical dictionary

  • Analysis of variance — In statistics, analysis of variance (ANOVA) is a collection of statistical models, and their associated procedures, in which the observed variance in a particular variable is partitioned into components attributable to different sources of… …   Wikipedia

  • Analysis Of Variance - ANOVA — A statistical analysis tool that separates the total variability found within a data set into two components: random and systematic factors. The random factors do not have any statistical influence on the given data set, while the systematic… …   Investment dictionary

  • Multivariate analysis of variance — (MANOVA) is a generalized form of univariate analysis of variance (ANOVA). It is used when there are two or more dependent variables. It helps to answer : 1. do changes in the independent variable(s) have significant effects on the dependent …   Wikipedia

  • Kruskal-Wallis one-way analysis of variance — In statistics, the Kruskal Wallis one way analysis of variance by ranks (named after William Kruskal and W. Allen Wallis) is a non parametric method for testing equality of population medians among groups. Intuitively, it is identical to a one… …   Wikipedia

  • Mixed-design analysis of variance — In statistics, a mixed design analysis of variance model (also known as a split plot ANOVA) is used to test for differences between two or more independent groups whilst subjecting participants to repeated measures. Thus, in a mixed design ANOVA… …   Wikipedia

  • Analysis Of Variances - ANOVA — An analysis of the variation between all of the variables used in an experiment. Analysis of variance is used in finance in several different ways, such as to forecasting the movements of security prices by first determining which factors… …   Investment dictionary

  • Test de Shapiro-Wilk — Pour les articles homonymes, voir Shapiro et Wilk. En statistiques, le test de Shapiro–Wilk teste l hypothèse nulle selon laquelle un échantillon x1, ..., xn est issu d une population normalement distribuée. Il a été publié en 1965 par Samuel… …   Wikipédia en Français

  • Test de Shapiro–Wilk — En estadística, el Test de Shapiro–Wilk, se usa para contrastar la normalidad de un conjunto de datos. Se plantea como hipótesis nula que una muestra x1, ..., xn proviene de una población normalmente distribuida. Fue publicado en 1965 por Samuel… …   Wikipedia Español

  • Variance — In probability theory and statistics, the variance of a random variable, probability distribution, or sample is one measure of statistical dispersion, averaging the squared distance of its possible values from the expected value (mean). Whereas… …   Wikipedia

  • Analysis of categorical data — These are statistical procedures which can be used for the analysis of categorical data:* regression * analysis of variance * linear modeling * log linear modeling * logistic regression * repeated measures analysis * simple correspondence… …   Wikipedia


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