May 30, 2013

NRL Predictions, Round 12

Team Ratings for Round 12

Here are the team ratings prior to Round 12, along with the ratings at the start of the season. I have created a brief description of the method I use for predicting rugby games. Go to my Department home page to see this.

Current Rating Rating at Season Start Difference
Rabbitohs 10.20 5.23 5.00
Storm 7.39 9.73 -2.30
Roosters 6.08 -5.68 11.80
Sea Eagles 5.55 4.78 0.80
Panthers 2.25 -6.58 8.80
Broncos 1.45 -1.55 3.00
Knights 1.13 0.44 0.70
Sharks 1.05 -1.78 2.80
Cowboys 0.99 7.05 -6.10
Bulldogs 0.87 7.33 -6.50
Raiders 0.43 2.03 -1.60
Titans -1.49 -1.85 0.40
Dragons -3.87 -0.33 -3.50
Warriors -10.12 -10.01 -0.10
Wests Tigers -11.21 -3.71 -7.50
Eels -14.44 -8.82 -5.60

 

Performance So Far

So far there have been 88 matches played, 54 of which were correctly predicted, a success rate of 61.36%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Wests Tigers vs. Cowboys May 24 22 – 20 -10.12 FALSE
2 Bulldogs vs. Broncos May 24 24 – 14 2.40 TRUE
3 Dragons vs. Panthers May 25 0 – 19 2.72 FALSE
4 Roosters vs. Storm May 25 18 – 26 5.99 FALSE
5 Sea Eagles vs. Raiders May 25 16 – 10 10.53 TRUE
6 Warriors vs. Knights May 26 28 – 12 -12.43 FALSE
7 Eels vs. Titans May 26 4 – 42 -1.07 TRUE
8 Sharks vs. Rabbitohs May 27 14 – 12 -6.32 FALSE

 

Predictions for Round 12

Here are the predictions for Round 12. 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 Bulldogs vs. Dragons May 31 Bulldogs 9.20
2 Rabbitohs vs. Knights Jun 01 Rabbitohs 13.60
3 Titans vs. Cowboys Jun 02 Titans 2.00
4 Broncos vs. Warriors Jun 03 Broncos 16.10

 

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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 »