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R by Example pp 199-225 | Cite as

Analysis of Variance I

  • Jim AlbertEmail author
  • Maria Rizzo
Chapter
Part of the Use R! book series (USE R)

Abstract

Analysis of Variance (ANOVA) is a statistical procedure for comparing means of two or more populations. As the name suggests, ANOVA is a method for studying differences in means by analysis of the variance components in the model. In earlier chapters we have considered two sample location problems; for example, we compared the means of two groups using a two-sample t-test. Let us now consider a generalization to the multi-sample location problem, where we wish to compare the location parameters of two or more groups. One-way ANOVA handles a special case of this problem, testing for equal group means.

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of Mathematics and StatisticsBowling Green State UniversityBowling GreenUSA

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