Quick stats

stats.rb

rgs =rgs.select {|rg| rg.scheduled_at > Date.parse("2011/08/15") }
ratios = rgs.map {|rg|
  first_half, second_half = rg.entries.select {|e|e.big_game.game_type == "short"}
                                     .partition{|e| /^(\d)/=~e.big_game.start_point; $1.to_i == 1 }
  second_half.length / first_half.length.to_f 
}