NRL Predictions for Round 25
Team Ratings for Round 25
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 | |
|---|---|---|---|
| Roosters | 8.72 | 3.08 | 5.60 |
| Panthers | 8.62 | 14.73 | -6.10 |
| Storm | 7.50 | 6.15 | 1.30 |
| Sharks | 5.77 | 2.94 | 2.80 |
| Sea Eagles | 5.58 | -0.48 | 6.10 |
| Cowboys | 1.58 | 2.47 | -0.90 |
| Bulldogs | 1.31 | -13.35 | 14.70 |
| Broncos | 0.83 | 9.07 | -8.20 |
| Warriors | -2.81 | -0.07 | -2.70 |
| Knights | -3.23 | 1.84 | -5.10 |
| Dolphins | -3.61 | -7.09 | 3.50 |
| Rabbitohs | -4.34 | 0.87 | -5.20 |
| Dragons | -4.43 | -6.93 | 2.50 |
| Eels | -5.59 | 0.14 | -5.70 |
| Titans | -6.36 | -7.89 | 1.50 |
| Raiders | -7.92 | -4.31 | -3.60 |
| Wests Tigers | -13.61 | -13.15 | -0.50 |
Performance So Far
So far there have been 180 matches played, 111 of which were correctly predicted, a success rate of 61.7%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Panthers vs. Storm | Aug 15 | 22 – 24 | 5.00 | FALSE |
| 2 | Sea Eagles vs. Warriors | Aug 16 | 24 – 10 | 15.60 | TRUE |
| 3 | Roosters vs. Eels | Aug 16 | 38 – 14 | 16.30 | TRUE |
| 4 | Bulldogs vs. Dolphins | Aug 17 | 30 – 10 | 2.80 | TRUE |
| 5 | Cowboys vs. Raiders | Aug 17 | 42 – 4 | 9.10 | TRUE |
| 6 | Wests Tigers vs. Rabbitohs | Aug 17 | 18 – 16 | -7.40 | FALSE |
| 7 | Dragons vs. Titans | Aug 18 | 32 – 16 | 3.40 | TRUE |
| 8 | Sharks vs. Knights | Aug 18 | 19 – 18 | 13.50 | TRUE |
Predictions for Round 25
Here are the predictions for Round 25. 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 | Wests Tigers vs. Sea Eagles | Aug 22 | Sea Eagles | -16.20 |
| 2 | Warriors vs. Bulldogs | Aug 23 | Warriors | 2.90 |
| 3 | Broncos vs. Eels | Aug 23 | Broncos | 9.40 |
| 4 | Raiders vs. Panthers | Aug 24 | Panthers | -13.50 |
| 5 | Storm vs. Dolphins | Aug 24 | Storm | 14.10 |
| 6 | Rabbitohs vs. Knights | Aug 24 | Rabbitohs | 1.90 |
| 7 | Titans vs. Roosters | Aug 25 | Roosters | -12.10 |
| 8 | Dragons vs. Sharks | Aug 25 | Sharks | -7.20 |
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 »