How to make boxplots of your data

  1. Download and load your data into R
  2. Single boxplot
    1. boxplot(stresschill$stress_value, range=0)
  3. Boxplot comparing stress chill within a category
    1. boxplot(stresschill$stress_value~stresschill$category)
    2. Or you could make the labels vertical

                                                    i.     boxplot(stresschill$stress_value~stresschill$category, las=2)