May 28, 2019

NRL Predictions for Round 12

Team Ratings for Round 12

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 9.55 6.03 3.50
Roosters 7.64 8.72 -1.10
Rabbitohs 7.53 3.89 3.60
Raiders 2.56 1.81 0.80
Broncos 2.20 2.63 -0.40
Sharks 1.09 3.90 -2.80
Knights 0.88 -8.51 9.40
Cowboys -1.53 0.15 -1.70
Warriors -1.69 -0.27 -1.40
Wests Tigers -2.77 -5.57 2.80
Sea Eagles -3.04 -5.61 2.60
Titans -4.13 -3.36 -0.80
Dragons -4.35 0.06 -4.40
Eels -4.88 -6.17 1.30
Bulldogs -5.15 -0.61 -4.50
Panthers -5.92 0.93 -6.80

 

Performance So Far

So far there have been 88 matches played, 58 of which were correctly predicted, a success rate of 65.9%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Eels vs. Panthers May 23 10 – 16 5.70 FALSE
2 Sea Eagles vs. Titans May 24 18 – 36 7.70 FALSE
3 Knights vs. Roosters May 24 38 – 12 -8.60 FALSE
4 Raiders vs. Cowboys May 25 16 – 22 9.20 FALSE
5 Warriors vs. Broncos May 25 2 – 8 1.70 FALSE
6 Rabbitohs vs. Wests Tigers May 25 32 – 16 12.90 TRUE
7 Bulldogs vs. Storm May 26 6 – 28 -10.00 TRUE
8 Dragons vs. Sharks May 26 9 – 22 -0.70 TRUE

 

Predictions for Round 12

Here are the predictions for Round 12. 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. Sea Eagles May 30 Panthers 0.10
2 Eels vs. Rabbitohs May 31 Rabbitohs -9.40
3 Bulldogs vs. Raiders Jun 01 Raiders -4.70
4 Titans vs. Cowboys Jun 02 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 »