Best Time

1. Time of week
2. Time of day

now = Time.now
conversions = [
  now,
  now + 3600,
  now + 7200
]

bt = BestTime.new(conversions, :week)
puts bt.best_time
puts bt.buckets
bt.graph

Weighted values

conversions = [
  {:time => now, :value => 2},
  {:time => now + 86400, :value => 1}
]