Two-Way Analysis of Variance
Statistical Tests and Graphics Using R
(Sprache: Englisch)
In statistics, analysis of variance (ANOVA) is a collection of statistical models used to distinguish between an observed variance in a particular variable and its component parts. In its simplest form, ANOVA provides a statistical test of whether or not...
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Klappentext zu „Two-Way Analysis of Variance “
In statistics, analysis of variance (ANOVA) is a collection of statistical models used to distinguish between an observed variance in a particular variable and its component parts. In its simplest form, ANOVA provides a statistical test of whether or not the means of several groups are all equal, and therefore generalizes a test between these groups. One test often used by statisticians and researchers in their work is the Two-Way ANOVA, which determines the differences--and possible interactions--when variables are presented from the perspective of two or more categories. When a Two-Way ANOVA is implemented, it enables one to compare and contrast variables resulting from independent or joint actions. This brief provides guidance on how R can be used to facilitate Two-Way ANOVA for data analysis and graphical presentation. Along with instruction on the use of R and R syntax associated with Two-Way ANOVA, this brief will also reinforce the use of descriptive statistics and graphicalfigures to complement outcomes from parametric Two-Way ANOVA.
Inhaltsverzeichnis zu „Two-Way Analysis of Variance “
1. Introduction.2. Data Import or Data Entry3. Data Organization4. Display the Code Book5. Conduct a Visual Data Check6. Descriptive Analysis of the Data.
Autoren-Porträt von Thomas W. MacFarland
Thomas W. MacFarland Senior Research Associate and Associate Professor
Nova Southeastern University Office of Institutional Effectiveness
Fort Lauderdale, FL 33314 tommac@nova.edu
Bibliographische Angaben
- Autor: Thomas W. MacFarland
- 2011, 2012, VII, 150 Seiten, 2 farbige Abbildungen, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 1461421330
- ISBN-13: 9781461421337
- Erscheinungsdatum: 09.12.2011
Sprache:
Englisch
Pressezitat
"This book provides a detailed description of the use of R code with examples for statistical tests and graphics in two-way analysis of variance in four chapters. ... It is a great softcover book for self-learning and self-training at a modest price." (Subir Ghosh, Technometrics, Vol. 56 (4), November, 2014)
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