May 22, 2013

NRL Predictions, Round 11

Team Ratings for Round 11

Here are the team ratings prior to Round 11, 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 11.04 5.23 5.80
Roosters 7.48 -5.68 13.20
Sea Eagles 6.00 4.78 1.20
Storm 5.99 9.73 -3.70
Knights 3.97 0.44 3.50
Broncos 2.21 -1.55 3.80
Cowboys 2.20 7.05 -4.80
Sharks 0.22 -1.78 2.00
Bulldogs 0.11 7.33 -7.20
Panthers 0.08 -6.58 6.70
Raiders -0.03 2.03 -2.10
Dragons -1.70 -0.33 -1.40
Titans -5.18 -1.85 -3.30
Eels -10.75 -8.82 -1.90
Wests Tigers -12.42 -3.71 -8.70
Warriors -12.96 -10.01 -2.90

 

Performance So Far

So far there have been 80 matches played, 51 of which were correctly predicted, a success rate of 63.75%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Broncos vs. Titans May 17 32 – 6 8.36 TRUE
2 Rabbitohs vs. Wests Tigers May 17 54 – 10 23.94 TRUE
3 Dragons vs. Eels May 18 32 – 12 11.93 TRUE
4 Panthers vs. Warriors May 18 62 – 6 7.92 TRUE
5 Cowboys vs. Roosters May 18 8 – 12 0.03 FALSE
6 Sharks vs. Raiders May 19 30 – 20 3.43 TRUE
7 Knights vs. Bulldogs May 19 44 – 4 0.44 TRUE
8 Storm vs. Sea Eagles May 20 10 – 10 5.61 FALSE

 

Predictions for Round 11

Here are the predictions for Round 11. 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 Wests Tigers vs. Cowboys May 24 Cowboys -10.10
2 Bulldogs vs. Broncos May 24 Bulldogs 2.40
3 Dragons vs. Panthers May 25 Dragons 2.70
4 Roosters vs. Storm May 25 Roosters 6.00
5 Sea Eagles vs. Raiders May 25 Sea Eagles 10.50
6 Warriors vs. Knights May 26 Knights -12.40
7 Eels vs. Titans May 26 Titans -1.10
8 Sharks vs. Rabbitohs May 27 Rabbitohs -6.30

 

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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 »