NRL Predictions for Round 23
Team Ratings for Round 23
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 | |
|---|---|---|---|
| Storm | 12.41 | 6.03 | 6.40 |
| Roosters | 11.40 | 8.72 | 2.70 |
| Raiders | 8.96 | 1.81 | 7.20 |
| Sea Eagles | 2.37 | -5.61 | 8.00 |
| Rabbitohs | 1.00 | 3.89 | -2.90 |
| Eels | 0.41 | -6.17 | 6.60 |
| Sharks | -0.26 | 3.90 | -4.20 |
| Broncos | -0.35 | 2.63 | -3.00 |
| Knights | -1.96 | -8.51 | 6.50 |
| Panthers | -2.09 | 0.93 | -3.00 |
| Wests Tigers | -3.52 | -5.57 | 2.00 |
| Dragons | -3.90 | 0.06 | -4.00 |
| Bulldogs | -4.15 | -0.61 | -3.50 |
| Warriors | -4.24 | -0.27 | -4.00 |
| Cowboys | -6.38 | 0.15 | -6.50 |
| Titans | -11.69 | -3.36 | -8.30 |
Performance So Far
So far there have been 168 matches played, 106 of which were correctly predicted, a success rate of 63.1%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Sea Eagles vs. Wests Tigers | Aug 15 | 32 – 12 | 7.10 | TRUE |
| 2 | Titans vs. Eels | Aug 16 | 12 – 36 | -6.70 | TRUE |
| 3 | Broncos vs. Panthers | Aug 16 | 24 – 12 | 3.50 | TRUE |
| 4 | Knights vs. Cowboys | Aug 17 | 42 – 6 | 2.80 | TRUE |
| 5 | Storm vs. Raiders | Aug 17 | 18 – 22 | 8.20 | FALSE |
| 6 | Rabbitohs vs. Bulldogs | Aug 17 | 6 – 14 | 10.80 | FALSE |
| 7 | Roosters vs. Warriors | Aug 18 | 42 – 6 | 17.60 | TRUE |
| 8 | Sharks vs. Dragons | Aug 18 | 18 – 12 | 6.70 | TRUE |
Predictions for Round 23
Here are the predictions for Round 23. 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 | Eels vs. Bulldogs | Aug 22 | Eels | 7.60 |
| 2 | Cowboys vs. Panthers | Aug 23 | Panthers | -1.30 |
| 3 | Broncos vs. Rabbitohs | Aug 23 | Broncos | 1.70 |
| 4 | Sharks vs. Warriors | Aug 24 | Sharks | 8.50 |
| 5 | Wests Tigers vs. Knights | Aug 24 | Wests Tigers | 1.40 |
| 6 | Dragons vs. Roosters | Aug 24 | Roosters | -12.30 |
| 7 | Storm vs. Titans | Aug 25 | Storm | 27.10 |
| 8 | Raiders vs. Sea Eagles | Aug 25 | Raiders | 9.60 |
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 »