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ez (version 4.1-1)

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 aim to provide simple, intuitive and consistent specification of data analysis and visualization. Visualization functions also include design visualization for pre-analysis data auditing, and correlation matrix visualization. Finally, this package includes functions for non-parametric analysis, including permutation tests and bootstrap resampling. The bootstrap function obtains predictions either by cell means or by more advanced/powerful mixed effects models, yielding predictions and confidence intervals that may be easily visualized at any level of the experiment's design.

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Install

install.packages('ez')

Monthly Downloads

9,628

Version

4.1-1

License

GPL (>= 2)

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Maintainer

Michael A Lawrence

Last Published

August 11th, 2012

Functions in ez (4.1-1)

ezMixed

Compute evidence for fixed effects in an mixed effects modelling context
ANT

ANT data
ezPredict

Compute predicted values from the fixed effects of a mixed effects model
ezPlot2

Plot bootstrap predictions and confidence intervals
ezDesign

Plot the balance of data in an experimental design
ezStats

Compute descriptive statistics from a factorial experiment
ez-internal

Internal ez Functions
ezCor

Compute and plot an information-dense correlation matrix
ANT2

Messy ANT data
ezPerm

Perform a factorial permutation test
ezResample

Resample data from a factorial experiment
ez-package

Easy analysis and visualization of factorial experiments
ezMixedProgress

Retrieve information saved to file by a call to ezMixed
ezBoot

Compute bootstrap resampled predictions
ezPlot

Plot data from a factorial experiment
ezANOVA

Compute ANOVA
ezPrecis

Obtain a structure summary of a given data frame
progress_time

Progress bar with time remaining estimation