July 17, 2012

NRL Predictions, Round 20

Team Ratings for Round 20

Here are the team ratings prior to Round 20, 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
Bulldogs 7.09 -1.86 9.00
Warriors 4.96 5.28 -0.30
Storm 4.22 4.63 -0.40
Broncos 3.91 5.57 -1.70
Rabbitohs 3.00 0.04 3.00
Sea Eagles 2.96 9.83 -6.90
Cowboys 2.90 -1.32 4.20
Wests Tigers 0.21 4.52 -4.30
Sharks -1.05 -7.97 6.90
Knights -1.92 0.77 -2.70
Dragons -2.08 4.36 -6.40
Titans -2.36 -11.80 9.40
Roosters -4.40 0.25 -4.70
Raiders -5.02 -8.40 3.40
Panthers -7.73 -3.40 -4.30
Eels -8.41 -4.23 -4.20

 

Performance So Far

So far there have been 136 matches played, 81 of which were correctly predicted, a success rate of 59.56%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Bulldogs vs. Eels Jul 13 32 – 12 20.00 TRUE
2 Broncos vs. Warriors Jul 13 10 – 8 3.73 TRUE
3 Knights vs. Sea Eagles Jul 14 32 – 6 -5.40 FALSE
4 Storm vs. Cowboys Jul 14 16 – 20 7.69 FALSE
5 Wests Tigers vs. Panthers Jul 14 26 – 18 13.29 TRUE
6 Raiders vs. Titans Jul 15 26 – 38 4.48 FALSE
7 Dragons vs. Sharks Jul 15 18 – 10 2.60 TRUE
8 Roosters vs. Rabbitohs Jul 16 22 – 24 -3.07 TRUE

 

Predictions for Round 20

Here are the predictions for Round 20

Game Date Winner Prediction
1 Sea Eagles vs. Bulldogs Jul 20 Sea Eagles 0.40
2 Titans vs. Broncos Jul 20 Broncos -1.80
3 Warriors vs. Knights Jul 21 Warriors 11.40
4 Eels vs. Storm Jul 21 Storm -8.10
5 Rabbitohs vs. Dragons Jul 21 Rabbitohs 9.60
6 Sharks vs. Raiders Jul 22 Sharks 8.50
7 Panthers vs. Roosters Jul 22 Panthers 1.20
8 Cowboys vs. Wests Tigers Jul 23 Cowboys 7.20

 

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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 »