gistfile1.txt

require 'rubygems'
require 'slope_one'

user_data = {
  "alice" => {
    "squid" => 1,
    "cuttlefish" => 0.5,
    "octopus" => 0.2
  },

  "bob" => {
    "squid" => 1,
    "octopus" => 0.5,
    "nautilus" => 0.2
  },

  "carole" => {
    "squid" => 0.2,
    "octopus" => 1,
    "cuttlefish" => 0.4,
    "nautilus" => 0.4
  },

  "dave" => {
    "octopus" => 0.4,
    "cuttlefish" => 0.9,
    "nautilus" => 0.5
  }
}

slope_one = SlopeOne.new
slope_one.insert(user_data)
puts slope_one.predict({"squid" => 0.4}).inspect