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 ...
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) ...
isixsigma on MSN
Understanding the Basics of ANOVA and Dunnett’s 1-way ANOVA
When testing whether the means of more than 2 groups are statistically different, you could use a one-way ANOVA. But if you ...
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