class Gruff::Box

Here’s how to set up a Gruff::Box.

g = Gruff::Box.new
g.data "A", [2, 3, 5, 6, 8, 10, 11, 15, 17, 20, 28, 29, 33, 34, 45, 46, 49, 61]
g.data "B", [3, 4, 34, 35, 38, 39, 45, 60, 61, 69, 80, 130]
g.data "C", [4, 40, 41, 46, 57, 64, 77, 76, 79, 78, 99, 153]
g.write("box_plot.png")