February 25, 2015

Super 15 Predictions for Round 3

Team Ratings for Round 3

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 8.49 10.42 -1.90
Waratahs 8.16 10.00 -1.80
Hurricanes 4.10 2.89 1.20
Brumbies 4.07 2.20 1.90
Sharks 3.21 3.91 -0.70
Stormers 3.03 1.68 1.30
Chiefs 2.65 2.23 0.40
Bulls 1.41 2.88 -1.50
Blues 0.56 1.44 -0.90
Highlanders -2.43 -2.54 0.10
Force -3.75 -4.67 0.90
Cheetahs -4.42 -5.55 1.10
Lions -4.56 -3.39 -1.20
Reds -6.00 -4.98 -1.00
Rebels -7.52 -9.53 2.00

 

Performance So Far

So far there have been 14 matches played, 8 of which were correctly predicted, a success rate of 57.1%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Chiefs vs. Brumbies Feb 20 19 – 17 3.30 TRUE
2 Rebels vs. Waratahs Feb 20 28 – 38 -12.10 TRUE
3 Bulls vs. Hurricanes Feb 20 13 – 17 2.70 FALSE
4 Highlanders vs. Crusaders Feb 21 20 – 26 -7.10 TRUE
5 Reds vs. Force Feb 21 18 – 6 0.30 TRUE
6 Stormers vs. Blues Feb 21 27 – 16 6.30 TRUE
7 Sharks vs. Lions Feb 21 29 – 12 10.90 TRUE

 

Predictions for Round 3

Here are the predictions for Round 3. 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 Highlanders vs. Reds Feb 27 Highlanders 8.10
2 Force vs. Hurricanes Feb 27 Hurricanes -3.40
3 Cheetahs vs. Blues Feb 27 Blues -0.50
4 Chiefs vs. Crusaders Feb 28 Crusaders -1.80
5 Rebels vs. Brumbies Feb 28 Brumbies -7.60
6 Bulls vs. Sharks Feb 28 Bulls 2.20
7 Lions vs. Stormers Feb 28 Stormers -3.60

 

avatar

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 »

Comments

  • avatar
    Thomas Lumley

    Week 1 reminded me a bit of the Hitchhikers’ Guide: “in the case of major discrepancy, it is reality that is at fault”

    10 years ago

    • avatar

      It was the most wildly unpredictable set of results since I have been trying to predict Super Rugby, that is since 2012. Just for one thing, I don’t believe I have previously seen 6 out of 7 away team wins. The one home team win was extreme as well, 47-3.

      10 years ago