options(contrasts=c("contr.sum","contr.poly")) #sets deviation (or sum-to-zero) coding for definition of effects, use before running any anovas or regressions #import data#### library(car) #contains ...

The main **motivation** for this community contribution project is to provide a tutorial of a few useful visualization tools in the process of the analysis of variances, a common topic that ...

New to this type of analysis? It's a classic statistics technique that is still useful. Here's a technique for doing a one-way ANOVA using R. Analysis of variance (ANOVA) is a classical statistics ...

The goal of this short course is to first explain the services provided by the Laboratory for Interdisciplinary Statistical Analysis (LISA) and second to offer t-test and ANOVA (Analysis of Variance) ...

Analysis of variance (ANOVA) is the standard procedure for statistical inference in factorial designs. Typically, ANOVAs are executed using frequentist statistics, where p-values determine statistical ...