March 7, 2017

NRL Predictions for Round 2

Team Ratings for Round 2

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 9.62 9.94 -0.30
Storm 8.46 8.49 -0.00
Cowboys 7.22 6.90 0.30
Broncos 5.39 4.36 1.00
Sharks 4.82 5.84 -1.00
Panthers 2.92 6.08 -3.20
Roosters 0.21 -1.17 1.40
Eels -0.06 -0.81 0.70
Bulldogs -1.31 -1.34 0.00
Wests Tigers -2.23 -3.89 1.70
Titans -2.36 -0.98 -1.40
Rabbitohs -3.48 -1.82 -1.70
Sea Eagles -3.73 -2.98 -0.80
Dragons -4.58 -7.74 3.20
Warriors -6.89 -6.02 -0.90
Knights -16.07 -16.94 0.90

 

Performance So Far

So far there have been 8 matches played, 3 of which were correctly predicted, a success rate of 37.5%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Sharks vs. Broncos Mar 02 18 – 26 5.00 FALSE
2 Bulldogs vs. Storm Mar 03 6 – 12 -6.30 TRUE
3 Rabbitohs vs. Wests Tigers Mar 03 18 – 34 5.60 FALSE
4 Dragons vs. Panthers Mar 04 42 – 10 -10.30 FALSE
5 Cowboys vs. Raiders Mar 04 20 – 16 0.50 TRUE
6 Titans vs. Roosters Mar 04 18 – 32 3.70 FALSE
7 Warriors vs. Knights Mar 05 26 – 22 14.90 TRUE
8 Sea Eagles vs. Eels Mar 05 12 – 20 1.30 FALSE

 

Predictions for Round 2

Here are the predictions for Round 2. 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. Bulldogs Mar 09 Roosters 5.00
2 Warriors vs. Storm Mar 10 Storm -11.30
3 Broncos vs. Cowboys Mar 10 Broncos 1.70
4 Knights vs. Titans Mar 11 Titans -10.20
5 Sea Eagles vs. Rabbitohs Mar 11 Sea Eagles 3.30
6 Raiders vs. Sharks Mar 11 Raiders 8.30
7 Wests Tigers vs. Panthers Mar 12 Panthers -1.70
8 Dragons vs. Eels Mar 12 Eels -1.00

 

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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 »