ez (version 1.2)

ez-package: Easy analysis and visualization of factorial experiments.

Description

This package facilitates easy analysis of factorial experiments, including purely within-Ss designs (a.k.a. "repeated measures"), purely between-Ss designs, and mixed within-and-between-Ss designs. The functions in this package provide easy access to descriptive statistics (ezStats), ANOVA (ezANOVA), non-parametric permutation tests (ezPerm), and visualization of results (ezPlot).

Details

ll{ Package: ez Type: Package Version: 1.2 Date: 2009-05-17 License: GPL-3 LazyLoad: yes } This package contains several useful functions:

• ezANOVA

{Provides simple interface to ANOVA, including assumption checks.} ezPerm{Provides simple interface to the Permutation test.} ezPlot{Uses the ggplot2 graphing package to generate plots for any given user-requested effect, by default producing error bars that facilitate visual post-hoc multiple comparisons.} ezStats{Provides between-Ss descriptive statistics for any given user-requested effect.} relev{Simple function to re-order the levels of a factor.}

See Also

ezANOVA, ezPerm, ezPlot, ezStats, relev