June 20, 2023

NRL Predictions for Round 17

Team Ratings for Round 17

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
Panthers 12.28 12.99 -0.70
Rabbitohs 8.13 9.35 -1.20
Storm 7.15 11.21 -4.10
Eels 6.44 6.78 -0.30
Sharks 2.00 4.50 -2.50
Broncos 1.04 -5.92 7.00
Cowboys 0.80 6.23 -5.40
Roosters -0.91 7.64 -8.60
Raiders -1.46 1.98 -3.40
Dragons -1.87 -2.73 0.90
Warriors -3.00 -11.12 8.10
Sea Eagles -3.79 -5.26 1.50
Titans -5.91 -6.32 0.40
Dolphins -6.87 -10.00 3.10
Knights -7.60 -9.53 1.90
Wests Tigers -8.06 -13.52 5.50
Bulldogs -10.38 -8.29 -2.10

 

Performance So Far

So far there have been 121 matches played, 71 of which were correctly predicted, a success rate of 58.7%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Cowboys vs. Panthers Jun 16 27 – 23 -10.30 FALSE
2 Knights vs. Roosters Jun 17 16 – 18 -4.20 TRUE
3 Eels vs. Sea Eagles Jun 17 34 – 4 10.90 TRUE
4 Wests Tigers vs. Storm Jun 17 6 – 28 -10.70 TRUE
5 Sharks vs. Bulldogs Jun 18 48 – 10 12.40 TRUE

 

Predictions for Round 17

Here are the predictions for Round 17. 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 Dragons vs. Warriors Jun 23 Dragons 7.10
2 Dolphins vs. Eels Jun 24 Eels -10.30
3 Panthers vs. Knights Jun 24 Panthers 22.90
4 Storm vs. Sea Eagles Jun 24 Storm 13.90
5 Broncos vs. Titans Jun 25 Broncos 10.00
6 Rabbitohs vs. Cowboys Jun 25 Rabbitohs 10.30
7 Roosters vs. Raiders Jun 25 Roosters 3.50

 

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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 »