Quite pleased with my predictions, just Judas was way off. I guess it's true that sales are higher in the weekend, which also explains how E.T. got so close. I can try adjusting for that next time.
| Song | Estimate | Real | Diff |
| Rihanna - S&M | 307836 | 293000 | -4.8% |
| Katy Perry - E.T. | 294594 | 284000 | -3.6% |
| The Black Eyed Peas - Just Can't Get Enough | 180541 | 172000 | -4.7% |
| Adele - Rolling In the Deep | 157670 | 150000 | -4.9% |
| Jeremih & 50 Cent - Down On Me | 136885 | 131000 | -4.3% |
| Jennifer Lopez - On the Floor | 132060 | 130000 | -1.6% |
| Lady GaGa - Judas | 130726 | 162000 | +23.9% |
| Chris Brown - Look At Me Now | 129686 | 129000 | -0.5% |
| Britney Spears - Till the World Ends | 128388 | 124000 | -3.4% |
| Bruno Mars - The Lazy Song | 124882 | 120000 | -3.9% |
Do you honestly think its going to make a difference once Rihanna gets the airplay that she usually gets? 5 Consecutive songs to all achieve over 100M AI. Radio will eat her up like usual and the sales will follow.