Detailansicht
Two-Way Analysis of Variance
eBook - Statistical Tests and Graphics Using R, SpringerBriefs in Statistics
ISBN/EAN: 9781461421344
Umbreit-Nr.: 3723682
Sprache:
Englisch
Umfang: 150 S., 0.74 MB
Format in cm:
Einband:
Keine Angabe
Erschienen am 10.12.2011
Auflage: 1/2011
E-Book
Format: PDF
DRM: Digitales Wasserzeichen
- Zusatztext
- 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.
- Autorenportrait
- <p>Thomas W. MacFarland</p><p>Senior Research Associate and Associate Professor</p><p>Nova Southeastern University Office of Institutional Effectiveness</p><p>Fort Lauderdale, FL 33314 tommac@nova.edu</p>