Super 15 Predictions for Round 15
Team Ratings for Round 15
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 | |
|---|---|---|---|
| Crusaders | 8.89 | 10.42 | -1.50 |
| Waratahs | 6.20 | 10.00 | -3.80 |
| Hurricanes | 5.54 | 2.89 | 2.60 |
| Chiefs | 4.44 | 2.23 | 2.20 |
| Brumbies | 4.16 | 2.20 | 2.00 |
| Highlanders | 2.77 | -2.54 | 5.30 |
| Bulls | 2.73 | 2.88 | -0.10 |
| Stormers | 2.35 | 1.68 | 0.70 |
| Blues | -0.44 | 1.44 | -1.90 |
| Sharks | -1.94 | 3.91 | -5.90 |
| Lions | -3.00 | -3.39 | 0.40 |
| Rebels | -4.59 | -9.53 | 4.90 |
| Force | -4.80 | -4.67 | -0.10 |
| Cheetahs | -6.69 | -5.55 | -1.10 |
| Reds | -8.61 | -4.98 | -3.60 |
Performance So Far
So far there have been 92 matches played, 60 of which were correctly predicted, a success rate of 65.2%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Blues vs. Bulls | May 15 | 23 – 18 | 0.70 | TRUE |
| 2 | Reds vs. Rebels | May 15 | 46 – 29 | -2.20 | FALSE |
| 3 | Hurricanes vs. Chiefs | May 16 | 22 – 18 | 5.30 | TRUE |
| 4 | Waratahs vs. Sharks | May 16 | 33 – 18 | 12.10 | TRUE |
| 5 | Lions vs. Brumbies | May 16 | 20 – 30 | -1.60 | TRUE |
| 6 | Cheetahs vs. Highlanders | May 16 | 24 – 45 | -2.90 | TRUE |
Predictions for Round 15
Here are the predictions for Round 15. 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 | Chiefs vs. Bulls | May 22 | Chiefs | 6.20 |
| 2 | Reds vs. Sharks | May 22 | Sharks | -2.20 |
| 3 | Blues vs. Hurricanes | May 23 | Hurricanes | -2.00 |
| 4 | Waratahs vs. Crusaders | May 23 | Waratahs | 1.80 |
| 5 | Force vs. Highlanders | May 23 | Highlanders | -3.10 |
| 6 | Cheetahs vs. Lions | May 23 | Cheetahs | 0.30 |
| 7 | Stormers vs. Rebels | May 23 | Stormers | 11.40 |
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 »