May 15, 2018

Super 15 Predictions for Round 14

Team Ratings for Round 14

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
Hurricanes 15.78 16.18 -0.40
Crusaders 14.74 15.23 -0.50
Highlanders 9.47 10.29 -0.80
Chiefs 8.72 9.29 -0.60
Lions 8.54 13.81 -5.30
Sharks 1.16 1.02 0.10
Stormers 0.12 1.48 -1.40
Bulls -0.31 -4.79 4.50
Waratahs -1.35 -3.92 2.60
Jaguares -1.86 -4.64 2.80
Blues -2.01 -0.24 -1.80
Brumbies -3.45 1.75 -5.20
Rebels -10.43 -14.96 4.50
Reds -11.12 -9.47 -1.60
Sunwolves -15.39 -18.42 3.00

 

Performance So Far

So far there have been 80 matches played, 56 of which were correctly predicted, a success rate of 70%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Blues vs. Hurricanes May 11 15 – 36 -13.40 TRUE
2 Sunwolves vs. Reds May 12 63 – 28 -5.10 FALSE
3 Crusaders vs. Waratahs May 12 31 – 29 22.60 TRUE
4 Highlanders vs. Lions May 12 39 – 27 4.00 TRUE
5 Brumbies vs. Rebels May 12 24 – 27 12.30 FALSE
6 Stormers vs. Chiefs May 12 9 – 15 -4.40 TRUE
7 Bulls vs. Sharks May 12 39 – 33 1.50 TRUE

 

Predictions for Round 14

Here are the predictions for Round 14. 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. Reds May 18 Hurricanes 30.90
2 Sunwolves vs. Stormers May 19 Stormers -11.50
3 Blues vs. Crusaders May 19 Crusaders -13.30
4 Waratahs vs. Highlanders May 19 Highlanders -6.80
5 Sharks vs. Chiefs May 19 Chiefs -3.60
6 Lions vs. Brumbies May 19 Lions 16.00
7 Jaguares vs. Bulls May 19 Jaguares 2.40

 

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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 »