April 4, 2017

NRL Predictions for Round 6

Team Ratings for Round 6

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 9.40 8.49 0.90
Raiders 8.76 9.94 -1.20
Cowboys 5.01 6.90 -1.90
Broncos 4.95 4.36 0.60
Sharks 4.70 5.84 -1.10
Panthers 4.61 6.08 -1.50
Roosters 1.19 -1.17 2.40
Sea Eagles 0.87 -2.98 3.80
Eels -0.66 -0.81 0.10
Dragons -1.85 -7.74 5.90
Bulldogs -2.91 -1.34 -1.60
Rabbitohs -3.38 -1.82 -1.60
Titans -3.48 -0.98 -2.50
Warriors -7.44 -6.02 -1.40
Wests Tigers -8.02 -3.89 -4.10
Knights -13.81 -16.94 3.10

 

Performance So Far

So far there have been 40 matches played, 22 of which were correctly predicted, a success rate of 55%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Bulldogs vs. Broncos Mar 30 10 – 7 -5.80 FALSE
2 Roosters vs. Sea Eagles Mar 31 12 – 18 5.70 FALSE
3 Cowboys vs. Rabbitohs Mar 31 20 – 6 11.40 TRUE
4 Sharks vs. Knights Apr 01 19 – 18 25.80 TRUE
5 Raiders vs. Eels Apr 01 30 – 18 13.10 TRUE
6 Storm vs. Panthers Apr 01 28 – 6 5.70 TRUE
7 Warriors vs. Titans Apr 02 28 – 22 -1.10 FALSE
8 Wests Tigers vs. Dragons Apr 02 6 – 28 0.80 FALSE

 

Predictions for Round 6

Here are the predictions for Round 6. 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 Broncos vs. Roosters Apr 06 Broncos 7.30
2 Knights vs. Bulldogs Apr 07 Bulldogs -7.40
3 Panthers vs. Rabbitohs Apr 07 Panthers 11.50
4 Sea Eagles vs. Dragons Apr 08 Sea Eagles 6.20
5 Titans vs. Raiders Apr 08 Raiders -8.70
6 Cowboys vs. Wests Tigers Apr 08 Cowboys 16.50
7 Warriors vs. Eels Apr 09 Eels -2.80
8 Storm vs. Sharks Apr 09 Storm 8.20

 

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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 »