June 15, 2016

NRL Predictions for Round 15

Team Ratings for Round 15

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
Storm 10.68 4.41 6.30
Cowboys 10.48 10.29 0.20
Broncos 8.30 9.81 -1.50
Sharks 6.64 -1.06 7.70
Bulldogs 3.05 1.50 1.60
Raiders 2.45 -0.55 3.00
Eels -0.07 -4.62 4.60
Panthers -0.24 -3.06 2.80
Roosters -1.34 11.20 -12.50
Sea Eagles -1.67 0.36 -2.00
Rabbitohs -2.28 -1.20 -1.10
Warriors -3.49 -7.47 4.00
Dragons -3.56 -0.10 -3.50
Titans -4.27 -8.39 4.10
Wests Tigers -5.88 -4.06 -1.80
Knights -17.13 -5.41 -11.70

 

Performance So Far

So far there have been 107 matches played, 63 of which were correctly predicted, a success rate of 58.9%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Broncos vs. Raiders Jun 09 26 – 18 9.00 TRUE
2 Wests Tigers vs. Rabbitohs Jun 10 30 – 14 -6.70 FALSE
3 Knights vs. Warriors Jun 11 14 – 50 -5.50 TRUE
4 Eels vs. Titans Jun 11 22 – 12 3.20 TRUE
5 Roosters vs. Storm Jun 11 0 – 46 -3.40 TRUE
6 Sea Eagles vs. Panthers Jun 12 24 – 31 3.00 FALSE
7 Dragons vs. Bulldogs Jun 13 16 – 34 -4.80 TRUE
8 Sharks vs. Cowboys Jun 13 13 – 10 -1.60 FALSE

 

Predictions for Round 15

Here are the predictions for Round 15. 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 Rabbitohs vs. Eels Jun 17 Rabbitohs 0.80
2 Dragons vs. Storm Jun 18 Storm -11.20
3 Warriors vs. Roosters Jun 19 Warriors 1.80
4 Titans vs. Sea Eagles Jun 20 Titans 0.40

 

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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 »