March 7, 2023

NRL Predictions for Round 2

Team Ratings for Round 2

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 11.64 12.99 -1.40
Storm 11.49 11.21 0.30
Rabbitohs 9.89 9.35 0.50
Eels 6.50 6.78 -0.30
Roosters 6.22 7.64 -1.40
Cowboys 5.75 6.23 -0.50
Sharks 3.97 4.50 -0.50
Raiders 2.46 1.98 0.50
Dragons -2.73 -2.73 -0.00
Sea Eagles -4.10 -5.26 1.20
Broncos -4.58 -5.92 1.30
Titans -5.75 -6.32 0.60
Dolphins -8.57 -10.00 1.40
Bulldogs -9.45 -8.29 -1.20
Knights -9.92 -9.53 -0.40
Warriors -10.73 -11.12 0.40
Wests Tigers -14.09 -13.52 -0.60

 

Performance So Far

So far there have been 8 matches played, 6 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. Storm Mar 02 12 – 16 -1.40 TRUE
2 Warriors vs. Knights Mar 03 20 – 12 4.40 TRUE
3 Panthers vs. Broncos Mar 03 12 – 13 21.90 FALSE
4 Sea Eagles vs. Bulldogs Mar 04 31 – 6 6.00 TRUE
5 Cowboys vs. Raiders Mar 04 19 – 18 7.20 TRUE
6 Sharks vs. Rabbitohs Mar 04 18 – 27 -1.90 TRUE
7 Dolphins vs. Roosters Mar 05 28 – 18 -14.60 FALSE
8 Wests Tigers vs. Titans Mar 05 10 – 22 -4.20 TRUE

 

Predictions for Round 2

Here are the predictions for Round 2. 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 Panthers vs. Rabbitohs Mar 09 Panthers 4.80
2 Eels vs. Sharks Mar 10 Eels 5.50
3 Broncos vs. Cowboys Mar 10 Cowboys -7.30
4 Roosters vs. Warriors Mar 11 Roosters 22.90
5 Dolphins vs. Raiders Mar 11 Raiders -8.00
6 Storm vs. Bulldogs Mar 11 Storm 23.90
7 Wests Tigers vs. Knights Mar 12 Knights -1.20
8 Dragons vs. Titans Mar 12 Dragons 6.00

 

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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 »