NRL Predictions for Round 11
Team Ratings for Round 11
The basic method is described on my Department home page. I have made some changes to the methodology this year, including shrinking the ratings between seasons.
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 | |
|---|---|---|---|
| Cowboys | 7.44 | 6.01 | 1.40 |
| Bulldogs | 7.32 | 2.46 | 4.90 |
| Roosters | 6.54 | 12.35 | -5.80 |
| Rabbitohs | 5.83 | 5.82 | 0.00 |
| Sea Eagles | 5.77 | 9.10 | -3.30 |
| Storm | 2.90 | 7.64 | -4.70 |
| Broncos | 1.24 | -4.69 | 5.90 |
| Warriors | 0.28 | -0.72 | 1.00 |
| Panthers | -0.09 | -2.48 | 2.40 |
| Knights | -0.77 | 5.23 | -6.00 |
| Titans | -1.13 | 1.45 | -2.60 |
| Wests Tigers | -5.15 | -11.26 | 6.10 |
| Sharks | -5.47 | 2.32 | -7.80 |
| Eels | -5.91 | -18.45 | 12.50 |
| Raiders | -9.79 | -8.99 | -0.80 |
| Dragons | -10.80 | -7.57 | -3.20 |
Performance So Far
So far there have been 80 matches played, 44 of which were correctly predicted, a success rate of 55%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Rabbitohs vs. Storm | May 16 | 14 – 27 | 11.70 | FALSE |
| 2 | Broncos vs. Titans | May 16 | 22 – 8 | 5.20 | TRUE |
| 3 | Eels vs. Dragons | May 17 | 36 – 0 | 4.00 | TRUE |
| 4 | Sharks vs. Wests Tigers | May 17 | 20 – 22 | 5.70 | FALSE |
| 5 | Cowboys vs. Roosters | May 17 | 42 – 10 | -0.00 | FALSE |
| 6 | Raiders vs. Panthers | May 18 | 20 – 26 | -4.90 | TRUE |
| 7 | Bulldogs vs. Warriors | May 18 | 16 – 12 | 13.30 | TRUE |
| 8 | Sea Eagles vs. Knights | May 19 | 15 – 14 | 13.40 | TRUE |
Predictions for Round 11
Here are the predictions for Round 11. 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 | Bulldogs vs. Roosters | May 23 | Bulldogs | 5.30 |
| 2 | Titans vs. Warriors | May 24 | Titans | 3.10 |
| 3 | Wests Tigers vs. Broncos | May 24 | Broncos | -1.90 |
| 4 | Raiders vs. Cowboys | May 25 | Cowboys | -12.70 |
| 5 | Sharks vs. Rabbitohs | May 26 | Rabbitohs | -6.80 |
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 »