July 14, 2020

NRL Predictions for Round 10

Team Ratings for Round 10

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 14.00 12.25 1.80
Storm 12.64 12.73 -0.10
Raiders 5.82 7.06 -1.20
Eels 5.66 2.80 2.90
Panthers 4.10 -0.13 4.20
Rabbitohs 3.08 2.85 0.20
Sharks 1.07 1.81 -0.70
Wests Tigers -0.29 -0.18 -0.10
Sea Eagles -0.33 1.05 -1.40
Knights -2.10 -5.92 3.80
Dragons -4.38 -6.14 1.80
Cowboys -5.84 -3.95 -1.90
Bulldogs -6.42 -2.52 -3.90
Warriors -7.15 -5.17 -2.00
Broncos -8.10 -5.53 -2.60
Titans -13.74 -12.99 -0.80

 

Performance So Far

So far there have been 72 matches played, 45 of which were correctly predicted, a success rate of 62.5%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Cowboys vs. Roosters Jul 09 16 – 42 -16.80 TRUE
2 Titans vs. Warriors Jul 10 16 – 12 -2.90 FALSE
3 Rabbitohs vs. Wests Tigers Jul 10 18 – 10 2.70 TRUE
4 Sharks vs. Panthers Jul 11 24 – 56 -0.40 TRUE
5 Broncos vs. Bulldogs Jul 11 26 – 8 -1.50 FALSE
6 Raiders vs. Storm Jul 11 14 – 20 -4.50 TRUE
7 Knights vs. Eels Jul 12 4 – 10 -5.70 TRUE
8 Dragons vs. Sea Eagles Jul 12 34 – 4 -7.10 FALSE

 

Predictions for Round 10

Here are the predictions for Round 10. 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. Raiders Jul 16 Roosters 10.20
2 Storm vs. Titans Jul 17 Storm 26.40
3 Wests Tigers vs. Broncos Jul 17 Wests Tigers 9.80
4 Dragons vs. Bulldogs Jul 18 Dragons 4.00
5 Rabbitohs vs. Knights Jul 18 Rabbitohs 7.20
6 Sea Eagles vs. Eels Jul 18 Eels -4.00
7 Sharks vs. Warriors Jul 19 Sharks 12.70
8 Panthers vs. Cowboys Jul 19 Panthers 11.90

 

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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 »