jstorimer

require 'rubygems'
require 'gsl'

users = { 1 => "Ben", 2 => "Tom", 3 => "John", 4 => "Fred" }
m = GSL::Matrix[
           #Ben, Tom, John, Fred
            [5,5,0,5], # season 1
            [5,0,3,4], # season 2
            [3,4,0,3], # season 3
            [0,0,5,3], # season 4