NRL Predictions for Round 13
Team Ratings for Round 13
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 | 13.63 | 12.73 | 0.90 |
| Roosters | 11.37 | 12.25 | -0.90 |
| Raiders | 6.04 | 7.06 | -1.00 |
| Eels | 5.02 | 2.80 | 2.20 |
| Panthers | 4.86 | -0.13 | 5.00 |
| Rabbitohs | 2.80 | 2.85 | -0.00 |
| Sharks | 1.90 | 1.81 | 0.10 |
| Wests Tigers | 0.05 | -0.18 | 0.20 |
| Sea Eagles | -0.63 | 1.05 | -1.70 |
| Knights | -1.86 | -5.92 | 4.10 |
| Dragons | -4.25 | -6.14 | 1.90 |
| Bulldogs | -5.48 | -2.52 | -3.00 |
| Cowboys | -5.81 | -3.95 | -1.90 |
| Warriors | -6.44 | -5.17 | -1.30 |
| Broncos | -10.44 | -5.53 | -4.90 |
| Titans | -12.77 | -12.99 | 0.20 |
Performance So Far
So far there have been 96 matches played, 64 of which were correctly predicted, a success rate of 66.7%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Dragons vs. Rabbitohs | Jul 30 | 24 – 32 | -4.50 | TRUE |
| 2 | Wests Tigers vs. Warriors | Jul 31 | 20 – 26 | 12.80 | FALSE |
| 3 | Broncos vs. Sharks | Jul 31 | 26 – 36 | -10.40 | TRUE |
| 4 | Roosters vs. Titans | Aug 01 | 18 – 12 | 28.20 | TRUE |
| 5 | Cowboys vs. Raiders | Aug 01 | 12 – 14 | -10.90 | TRUE |
| 6 | Sea Eagles vs. Panthers | Aug 01 | 12 – 42 | -1.00 | TRUE |
| 7 | Bulldogs vs. Eels | Aug 02 | 16 – 18 | -9.40 | TRUE |
| 8 | Storm vs. Knights | Aug 02 | 26 – 16 | 16.30 | TRUE |
Predictions for Round 13
Here are the predictions for Round 13. 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 | Dragons vs. Roosters | Aug 06 | Roosters | -13.60 |
| 2 | Sea Eagles vs. Warriors | Aug 07 | Sea Eagles | 10.30 |
| 3 | Rabbitohs vs. Broncos | Aug 07 | Rabbitohs | 15.20 |
| 4 | Storm vs. Bulldogs | Aug 08 | Storm | 19.10 |
| 5 | Knights vs. Wests Tigers | Aug 08 | Knights | 0.10 |
| 6 | Panthers vs. Raiders | Aug 08 | Panthers | 0.80 |
| 7 | Titans vs. Cowboys | Aug 09 | Cowboys | -5.00 |
| 8 | Sharks vs. Eels | Aug 09 | Eels | -1.10 |
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 »