Illustrates analysis of variance for three treatment groups
Data for Exercise 10.44
Treatments
A data frame/tibble with 24 observations on two variables
score from an experiment
factor with levels 1, 2, and 3
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(score ~ group, data = Treatments, col = "violet") summary(aov(score ~ group, data = Treatments)) summary(lm(score ~ group, data = Treatments)) anova(lm(score ~ group, data = Treatments))
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.