March 20, 2013

NRL Predictions, Round 3

Team Ratings for Round 3

Here are the team ratings prior to Round 3, 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
Storm 12.77 9.73 3.00
Sea Eagles 7.88 4.78 3.10
Cowboys 6.23 7.05 -0.80
Bulldogs 5.30 7.33 -2.00
Rabbitohs 5.30 5.23 0.10
Titans 1.65 -1.85 3.50
Knights 0.29 0.44 -0.10
Broncos 0.01 -1.55 1.60
Sharks -0.95 -1.78 0.80
Dragons -3.05 -0.33 -2.70
Raiders -3.83 2.03 -5.90
Panthers -4.72 -6.58 1.90
Wests Tigers -5.29 -3.71 -1.60
Eels -6.04 -8.82 2.80
Roosters -6.75 -5.68 -1.10
Warriors -12.53 -10.01 -2.50

 

Performance So Far

So far there have been 16 matches played, 12 of which were correctly predicted, a success rate of 75%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Eels vs. Bulldogs Mar 14 16 – 20 -7.54 TRUE
2 Dragons vs. Broncos Mar 15 6 – 22 5.80 FALSE
3 Cowboys vs. Storm Mar 16 10 – 32 2.95 FALSE
4 Warriors vs. Roosters Mar 16 14 – 16 -1.10 TRUE
5 Titans vs. Raiders Mar 17 36 – 0 3.48 TRUE
6 Wests Tigers vs. Panthers Mar 17 28 – 18 2.42 TRUE
7 Sea Eagles vs. Knights Mar 17 32 – 0 7.12 TRUE
8 Rabbitohs vs. Sharks Mar 18 14 – 12 12.93 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 Storm vs. Bulldogs Mar 21 Storm 12.00
2 Wests Tigers vs. Eels Mar 22 Wests Tigers 5.30
3 Titans vs. Sea Eagles Mar 23 Sea Eagles -1.70
4 Roosters vs. Broncos Mar 23 Broncos -2.30
5 Sharks vs. Warriors Mar 24 Sharks 16.10
6 Panthers vs. Rabbitohs Mar 24 Rabbitohs -5.50
7 Raiders vs. Dragons Mar 24 Raiders 3.70
8 Knights vs. Cowboys Mar 25 Cowboys -1.40

 

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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 »