Rugby Premiership Predictions for Round 9
Team Ratings for Round 9
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 | |
|---|---|---|---|
| Leicester Tigers | 6.23 | 7.93 | -1.70 |
| Gloucester | 4.83 | 5.92 | -1.10 |
| Sale Sharks | 4.61 | 4.14 | 0.50 |
| Exeter Chiefs | 3.91 | 3.67 | 0.20 |
| Harlequins | 3.62 | 3.92 | -0.30 |
| Northampton Saints | 1.78 | 3.99 | -2.20 |
| Saracens | 0.07 | -5.00 | 5.10 |
| Wasps | -0.18 | 0.77 | -1.00 |
| London Irish | -1.57 | -1.65 | 0.10 |
| Bristol | -4.03 | -2.43 | -1.60 |
| Bath | -7.37 | -9.15 | 1.80 |
| Newcastle Falcons | -9.12 | -8.76 | -0.40 |
| Worcester Warriors | -11.69 | -12.27 | 0.60 |
Performance So Far
So far there have been 41 matches played, 27 of which were correctly predicted, a success rate of 65.9%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Gloucester vs. Exeter Chiefs | Oct 29 | 38 – 22 | 4.10 | TRUE |
| 2 | Harlequins vs. London Irish | Oct 30 | 26 – 24 | 10.70 | TRUE |
| 3 | Northampton Saints vs. Bristol | Oct 30 | 45 – 31 | 9.80 | TRUE |
| 4 | Saracens vs. Sale Sharks | Oct 31 | 33 – 22 | -1.40 | FALSE |
Predictions for Round 9
Here are the predictions for Round 9. 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 | Northampton Saints vs. Exeter Chiefs | Nov 05 | Northampton Saints | 2.40 |
| 2 | Sale Sharks vs. Gloucester | Nov 05 | Sale Sharks | 4.30 |
| 3 | Newcastle Falcons vs. Bath | Nov 06 | Newcastle Falcons | 2.70 |
| 4 | Bristol vs. Saracens | Nov 06 | Bristol | 0.40 |
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 »