April 1, 2015

Super 15 Predictions for Round 8

Team Ratings for Round 8

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 8.34 10.42 -2.10
Waratahs 8.34 10.00 -1.70
Hurricanes 6.07 2.89 3.20
Brumbies 4.50 2.20 2.30
Chiefs 3.86 2.23 1.60
Bulls 2.95 2.88 0.10
Sharks 2.26 3.91 -1.70
Stormers 1.68 1.68 -0.00
Blues 0.02 1.44 -1.40
Highlanders -0.23 -2.54 2.30
Lions -3.78 -3.39 -0.40
Force -4.56 -4.67 0.10
Cheetahs -7.05 -5.55 -1.50
Rebels -7.53 -9.53 2.00
Reds -7.87 -4.98 -2.90

 

Performance So Far

So far there have been 47 matches played, 31 of which were correctly predicted, a success rate of 66%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Hurricanes vs. Rebels Mar 27 36 – 12 17.20 TRUE
2 Reds vs. Lions Mar 27 17 – 18 0.70 FALSE
3 Chiefs vs. Cheetahs Mar 28 37 – 27 16.30 TRUE
4 Highlanders vs. Stormers Mar 28 39 – 21 0.50 TRUE
5 Waratahs vs. Blues Mar 28 23 – 11 13.00 TRUE
6 Sharks vs. Force Mar 28 15 – 9 12.20 TRUE
7 Bulls vs. Crusaders Mar 28 31 – 19 -2.70 FALSE

 

Predictions for Round 8

Here are the predictions for Round 8. 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 Hurricanes vs. Stormers Apr 03 Hurricanes 8.90
2 Rebels vs. Reds Apr 03 Rebels 4.30
3 Chiefs vs. Blues Apr 04 Chiefs 7.80
4 Brumbies vs. Cheetahs Apr 04 Brumbies 16.00
5 Sharks vs. Crusaders Apr 04 Crusaders -1.60
6 Lions vs. Bulls Apr 04 Bulls -2.70

 

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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 »