NRL Predictions for Round 27
Team Ratings for Round 27
My apologies for missing the first game this week—I am travelling in Europe and have had little opportunity to work on the predictions in time.
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 | 8.38 | 6.15 | 2.20 |
| Roosters | 8.29 | 3.08 | 5.20 |
| Panthers | 7.93 | 14.73 | -6.80 |
| Sharks | 5.81 | 2.94 | 2.90 |
| Sea Eagles | 4.96 | -0.48 | 5.40 |
| Cowboys | 2.36 | 2.47 | -0.10 |
| Bulldogs | 1.63 | -13.35 | 15.00 |
| Knights | -1.08 | 1.84 | -2.90 |
| Broncos | -1.72 | 9.07 | -10.80 |
| Warriors | -2.75 | -0.07 | -2.70 |
| Dolphins | -2.94 | -7.09 | 4.20 |
| Eels | -5.32 | 0.14 | -5.50 |
| Raiders | -5.57 | -4.31 | -1.30 |
| Dragons | -5.73 | -6.93 | 1.20 |
| Rabbitohs | -6.03 | 0.87 | -6.90 |
| Titans | -8.05 | -7.89 | -0.20 |
| Wests Tigers | -12.16 | -13.15 | 1.00 |
Performance So Far
So far there have been 196 matches played, 118 of which were correctly predicted, a success rate of 60.2%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Cowboys vs. Storm | Aug 29 | 38 – 30 | -4.60 | FALSE |
| 2 | Bulldogs vs. Sea Eagles | Aug 30 | 22 – 34 | 1.30 | FALSE |
| 3 | Panthers vs. Rabbitohs | Aug 30 | 34 – 12 | 16.20 | TRUE |
| 4 | Eels vs. Dragons | Aug 31 | 44 – 40 | 3.30 | TRUE |
| 5 | Dolphins vs. Broncos | Aug 31 | 40 – 6 | -5.90 | FALSE |
| 6 | Sharks vs. Warriors | Aug 31 | 28 – 30 | 18.00 | FALSE |
| 7 | Knights vs. Titans | Sep 01 | 36 – 14 | 8.30 | TRUE |
| 8 | Roosters vs. Raiders | Sep 01 | 12 – 14 | 19.40 | FALSE |
Predictions for Round 27
Here are the predictions for Round 27. 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 | Broncos vs. Storm | Sep 05 | Storm | -7.10 |
| 2 | Wests Tigers vs. Eels | Sep 06 | Eels | -3.80 |
| 3 | Rabbitohs vs. Roosters | Sep 06 | Roosters | -11.30 |
| 4 | Dragons vs. Raiders | Sep 07 | Dragons | 2.80 |
| 5 | Bulldogs vs. Cowboys | Sep 07 | Bulldogs | 2.30 |
| 6 | Panthers vs. Titans | Sep 07 | Panthers | 19.00 |
| 7 | Sea Eagles vs. Sharks | Sep 08 | Sea Eagles | 2.10 |
| 8 | Knights vs. Dolphins | Sep 08 | Knights | 4.90 |
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 »