March 28, 2017

NRL Predictions for Round 5

 

Team Ratings for Round 5

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
Raiders 8.86 9.94 -1.10
Storm 8.13 8.49 -0.40
Sharks 6.61 5.84 0.80
Panthers 5.89 6.08 -0.20
Broncos 5.66 4.36 1.30
Cowboys 4.78 6.90 -2.10
Roosters 2.12 -1.17 3.30
Sea Eagles -0.06 -2.98 2.90
Eels -0.76 -0.81 0.00
Titans -2.90 -0.98 -1.90
Rabbitohs -3.15 -1.82 -1.30
Dragons -3.60 -7.74 4.10
Bulldogs -3.62 -1.34 -2.30
Wests Tigers -6.26 -3.89 -2.40
Warriors -8.03 -6.02 -2.00
Knights -15.71 -16.94 1.20

 

Performance So Far

So far there have been 32 matches played, 18 of which were correctly predicted, a success rate of 56.2%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Rabbitohs vs. Roosters Mar 23 6 – 20 0.50 FALSE
2 Panthers vs. Knights Mar 24 40 – 0 22.30 TRUE
3 Broncos vs. Raiders Mar 24 13 – 12 0.10 TRUE
4 Sea Eagles vs. Bulldogs Mar 25 36 – 0 1.90 TRUE
5 Eels vs. Sharks Mar 25 6 – 20 -2.00 TRUE
6 Titans vs. Cowboys Mar 25 26 – 32 -3.80 TRUE
7 Wests Tigers vs. Storm Mar 26 14 – 22 -11.50 TRUE
8 Dragons vs. Warriors Mar 26 26 – 12 7.30 TRUE

 

Predictions for Round 5

Here are the predictions for Round 5. 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 Bulldogs vs. Broncos Mar 30 Broncos -5.80
2 Roosters vs. Sea Eagles Mar 31 Roosters 5.70
3 Cowboys vs. Rabbitohs Mar 31 Cowboys 11.40
4 Sharks vs. Knights Apr 01 Sharks 25.80
5 Raiders vs. Eels Apr 01 Raiders 13.10
6 Storm vs. Panthers Apr 01 Storm 5.70
7 Warriors vs. Titans Apr 02 Titans -1.10
8 Wests Tigers vs. Dragons Apr 02 Wests Tigers 0.80

 

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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 »