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 ...
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 ...
Factorial ANOVA, or factorial analysis of variance, is a statistical technique used to assess the effects of two or more categorical independent variables on a continuous dependent variable. It ...
1 Department of Mathematics and Statistics, University of Saskatchewan, Saskatoon, Canada. 2 Professor Emeritus, Department of Educational Psychology & Special Education, University of Saskatchewan, ...
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