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9. Analysis of Variance I

  • 2024
  • OriginalPaper
  • Chapter
Published in:
Authors
Jim Albert
Maria Rizzo
Published in
R by Example
Publisher
Springer Nature Switzerland

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Abstract

Analysis of Variance (ANOVA) is a statistical procedure for comparing means of two or more populations. In this chapter statistical methods for one-way ANOVA models are introduced, which help analyze differences in the mean response corresponding to the levels of a single group variable or factor. In several examples, the chapter describes R functions for an ANOVA F test for testing equality of treatment means, post-hoc tests to compare treatment means using Fisher’s Least Significant Difference and Tukey’s Honest Significant Difference methods with relevant plots.

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previous chapter Regression
next chapter Analysis of Variance II
Title
Analysis of Variance I
Authors
Jim Albert
Maria Rizzo
Copyright Year
2024
Book
R by Example

Print ISBN: 978-3-031-76073-0

Electronic ISBN: 978-3-031-76074-7

Copyright Year: 2024

DOI
https://doi.org/10.1007/978-3-031-76074-7_9
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