August 1, 2023

NRL Predictions for Round 23

Team Ratings for Round 23

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 12.70 12.99 -0.30
Storm 7.61 11.21 -3.60
Cowboys 5.33 6.23 -0.90
Rabbitohs 4.23 9.35 -5.10
Broncos 2.90 -5.92 8.80
Eels 2.38 6.78 -4.40
Warriors 1.45 -11.12 12.60
Sharks 0.81 4.50 -3.70
Knights -0.50 -9.53 9.00
Raiders -1.54 1.98 -3.50
Roosters -2.18 7.64 -9.80
Sea Eagles -3.14 -5.26 2.10
Titans -4.40 -6.32 1.90
Dragons -7.06 -2.73 -4.30
Dolphins -7.08 -10.00 2.90
Wests Tigers -11.50 -13.52 2.00
Bulldogs -11.99 -8.29 -3.70

 

Performance So Far

So far there have been 164 matches played, 99 of which were correctly predicted, a success rate of 60.4%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Broncos vs. Roosters Jul 27 32 – 10 6.10 TRUE
2 Wests Tigers vs. Rabbitohs Jul 28 18 – 32 -16.20 TRUE
3 Storm vs. Eels Jul 28 46 – 16 5.40 TRUE
4 Raiders vs. Knights Jul 29 6 – 28 5.00 FALSE
5 Dragons vs. Sea Eagles Jul 29 18 – 24 0.00 FALSE
6 Panthers vs. Sharks Jul 29 28 – 0 13.00 TRUE
7 Bulldogs vs. Dolphins Jul 30 23 – 22 -6.00 FALSE
8 Titans vs. Cowboys Jul 30 22 – 13 -8.90 FALSE

 

Predictions for Round 23

Here are the predictions for Round 23. 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 Roosters vs. Sea Eagles Aug 03 Roosters 4.00
2 Titans vs. Warriors Aug 04 Titans 0.20
3 Panthers vs. Storm Aug 04 Panthers 8.10
4 Cowboys vs. Broncos Aug 05 Cowboys 5.40
5 Dolphins vs. Knights Aug 05 Knights -3.60
6 Rabbitohs vs. Sharks Aug 05 Rabbitohs 6.40
7 Eels vs. Dragons Aug 06 Eels 12.40
8 Raiders vs. Wests Tigers Aug 06 Raiders 13.00

 

avatar

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 »

Comments