Three samples to illustrate analysis of variance
Data used in Exercise 10.1
Abc
A data frame/tibble with 54 observations on two variables
a numeric vector
a character vector A, B, and C
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(response ~ group, col=c("red", "blue", "green"), data = Abc )
anova(lm(response ~ group, data = Abc))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.