March 23, 2021

NRL Predictions for Round 3

Team Ratings for Round 3

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
Roosters 14.11 10.25 3.90
Storm 13.14 14.53 -1.40
Panthers 10.44 8.88 1.60
Rabbitohs 8.14 7.73 0.40
Raiders 7.23 6.98 0.30
Eels 2.71 1.68 1.00
Sharks 0.57 -0.76 1.30
Knights -1.45 -2.61 1.20
Warriors -1.59 -1.84 0.30
Wests Tigers -5.34 -3.07 -2.30
Dragons -5.39 -4.95 -0.40
Sea Eagles -7.04 -4.77 -2.30
Titans -7.37 -7.22 -0.10
Cowboys -9.12 -8.05 -1.10
Bulldogs -9.51 -7.62 -1.90
Broncos -11.52 -11.16 -0.40

 

Performance So Far

So far there have been 16 matches played, 13 of which were correctly predicted, a success rate of 81.2%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Eels vs. Storm Mar 18 16 – 12 -9.90 FALSE
2 Warriors vs. Knights Mar 19 16 – 20 0.70 FALSE
3 Titans vs. Broncos Mar 19 28 – 16 6.10 TRUE
4 Bulldogs vs. Panthers Mar 20 0 – 28 -14.60 TRUE
5 Sea Eagles vs. Rabbitohs Mar 20 12 – 26 -11.70 TRUE
6 Cowboys vs. Dragons Mar 20 18 – 25 0.70 FALSE
7 Wests Tigers vs. Roosters Mar 21 6 – 40 -12.80 TRUE
8 Sharks vs. Raiders Mar 21 10 – 12 -4.10 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 Panthers vs. Storm Mar 25 Panthers 0.30
2 Dragons vs. Sea Eagles Mar 26 Dragons 4.70
3 Rabbitohs vs. Roosters Mar 26 Roosters -3.00
4 Raiders vs. Warriors Mar 27 Raiders 11.80
5 Broncos vs. Bulldogs Mar 27 Broncos 1.00
6 Eels vs. Sharks Mar 27 Eels 5.10
7 Knights vs. Wests Tigers Mar 28 Knights 6.90
8 Cowboys vs. Titans Mar 28 Cowboys 1.20

 

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 »