analysis of variance
Date: 1918 analysis of variation in an experimental outcome and especially of a statistical variance in order to determine the contributions of given factors or variables to the variance

New Collegiate Dictionary. 2001.

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  • Analysis of variance — A*nal y*sis of variance, n. (Statistics) a statistical technique by which the results of an observation or experiment are analyzed to determine the relative contributions of the different possible causative factors or variables to the outcome.… …   The Collaborative International Dictionary of English

  • 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 — Statistics. a procedure for resolving the total variance of a set of variates into component variances that are associated with defined factors affecting the variates. Also called variance analysis. [1935 40] * * * …   Universalium

  • analysis of variance — noun A collection of statistical models, and their associated procedures, in which the observed variance is partitioned into components due to different explanatory variables. Syn: ANOVA …   Wiktionary

  • 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

  • Дисперсионный анализ (analysis of variance) — Дисперсионный анализ (ДА), в том смысле как он обычно понимается и широко используется в качестве статистического метода, был развит в значительной мере Р. А. Фишером. Несмотря на то, что этот метод представляет собой анализ различных оценок… …   Психологическая энциклопедия

  • 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

  • Analysis of covariance — (ANCOVA) is a general linear model with one continuous outcome variable and one or more factors. ANCOVA is a merger of ANOVA and regression for continuous variables. ANCOVA tests whether certain factors have an effect on the outcome variable… …   Wikipedia

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