NRL Predictions for Round 15
Team Ratings for Round 15
The basic method is described on my Department home page.
Here are the team ratings prior to this week’s games, along with the ratings at the start of the season.
| Current Rating | Rating at Season Start | Difference | |
|---|---|---|---|
| Panthers | 15.41 | 8.77 | 6.60 |
| Roosters | 7.40 | 9.50 | -2.10 |
| Warriors | 6.75 | -1.18 | 7.90 |
| Dolphins | 6.45 | 1.85 | 4.60 |
| Sharks | 5.85 | 7.25 | -1.40 |
| Sea Eagles | 5.68 | 0.21 | 5.50 |
| Storm | 1.61 | 6.96 | -5.30 |
| Rabbitohs | -0.86 | -5.05 | 4.20 |
| Broncos | -1.87 | 7.06 | -8.90 |
| Cowboys | -1.98 | -2.69 | 0.70 |
| Raiders | -2.90 | 1.62 | -4.50 |
| Knights | -4.00 | -14.06 | 10.10 |
| Bulldogs | -4.91 | 2.13 | -7.00 |
| Titans | -5.65 | -8.02 | 2.40 |
| Eels | -6.37 | -0.37 | -6.00 |
| Wests Tigers | -7.86 | -7.26 | -0.60 |
| Dragons | -12.76 | -6.72 | -6.00 |
Performance So Far
So far there have been 108 matches played, 68 of which were correctly predicted, a success rate of 63%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Sea Eagles vs. Rabbitohs | Jun 04 | 28 – 14 | 9.60 | TRUE |
| 2 | Storm vs. Knights | Jun 05 | 32 – 30 | 11.00 | TRUE |
| 3 | Raiders vs. Roosters | Jun 05 | 0 – 26 | -3.20 | TRUE |
| 4 | Cowboys vs. Dolphins | Jun 06 | 14 – 40 | -1.00 | TRUE |
| 5 | Broncos vs. Titans | Jun 06 | 23 – 28 | 10.00 | FALSE |
| 6 | Wests Tigers vs. Panthers | Jun 07 | 0 – 68 | -21.50 | TRUE |
| 7 | Sharks vs. Dragons | Jun 07 | 34 – 12 | 22.80 | TRUE |
| 8 | Bulldogs vs. Eels | Jun 08 | 14 – 12 | 6.40 | TRUE |
Predictions for Round 15
Here are the predictions for Round 15. The prediction is my estimated expected points difference with a positive margin being a win to the home team, and a negative margin a win to the away team.
| Game | Date | Winner | Prediction | |
|---|---|---|---|---|
| 1 | Rabbitohs vs. Broncos | Jun 11 | Rabbitohs | 5.00 |
| 2 | Dolphins vs. Roosters | Jun 12 | Dolphins | 3.00 |
| 3 | Warriors vs. Sharks | Jun 13 | Warriors | 4.90 |
| 4 | Eels vs. Raiders | Jun 13 | Eels | 0.50 |
| 5 | Wests Tigers vs. Titans | Jun 14 | Wests Tigers | 1.80 |
David Scott obtained a BA and PhD from the Australian National University and then commenced his university teaching career at La Trobe University in 1972. He has taught at La Trobe University, the University of Sheffield, Bond University and Colorado State University, joining the University of Auckland, based at Tamaki Campus, in mid-1995. He has been Head of Department at La Trobe University, Acting Dean and Associate Dean (Academic) at Bond University, and Associate Director of the Centre for Quality Management and Data Analysis at Bond University with responsibility for Short Courses. He was Head of the Department of Statistics in 2000, and is a past President of the New Zealand Statistical Assocation. See all posts by David Scott »