def fake_data(n)
      fun = Array.new(n)
      max_dropoff = 100/n
      n.times do |i|
        if i == 0
          fun[i] = 100.0
        else
          fun[i] = fun[i-1] - rand(1..max_dropoff)
          if fun[i] < 0
            fun[i] = rand(0...fun[i].abs)
          end
        end
      end
      fun
    end
def fake_data(n)
      fun = Array.new(n)
      max_dropoff = 100/n
      n.times do |i|
        if i == 0
          fun[i] = 100.0
        else
          fun[i] = fun[i-1] - rand(1..max_dropoff)
          if fun[i] < 0
            fun[i] = rand(0...fun[i].abs)
          end
        end
      end
      fun
    end
Generates fake data for funnel
 @param [Fixnum] n The length of funnel
 @return [Array] An array containing the funnel value