Illustrates test of equality of medians with the Kruskal Wallis test
Data for Exercise 10.52
Median
A data frame/tibble with 45 observations on two variables
a vector with values Sample1, Sample 2, and Sample 3
a numeric vector
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(value ~ sample, data = Median, col = rainbow(3)) anova(lm(value ~ sample, data = Median)) kruskal.test(value ~ factor(sample), data = Median)
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