March 13, 2018

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
Storm 16.79 16.73 0.10
Panthers 3.75 2.64 1.10
Cowboys 3.12 2.97 0.20
Broncos 3.09 4.78 -1.70
Raiders 2.70 3.50 -0.80
Sharks 2.05 2.20 -0.20
Dragons 1.25 -0.45 1.70
Eels 0.40 1.51 -1.10
Roosters -0.06 0.13 -0.20
Sea Eagles -1.44 -1.07 -0.40
Wests Tigers -3.44 -3.63 0.20
Bulldogs -3.49 -3.43 -0.10
Rabbitohs -5.27 -3.90 -1.40
Warriors -5.60 -6.97 1.40
Knights -8.05 -8.43 0.40
Titans -8.11 -8.91 0.80

 

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 Dragons vs. Broncos Mar 08 34 – 12 -2.20 FALSE
2 Knights vs. Sea Eagles Mar 09 19 – 18 -4.40 FALSE
3 Cowboys vs. Sharks Mar 09 20 – 14 3.80 TRUE
4 Wests Tigers vs. Roosters Mar 10 10 – 8 -0.80 FALSE
5 Rabbitohs vs. Warriors Mar 10 20 – 32 7.60 FALSE
6 Bulldogs vs. Storm Mar 10 18 – 36 -17.20 TRUE
7 Panthers vs. Eels Mar 11 24 – 4 4.10 TRUE
8 Titans vs. Raiders Mar 11 30 – 28 -9.40 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 Sharks vs. Dragons Mar 15 Sharks 3.80
2 Roosters vs. Bulldogs Mar 16 Roosters 6.40
3 Broncos vs. Cowboys Mar 16 Broncos 3.00
4 Warriors vs. Titans Mar 17 Warriors 7.00
5 Panthers vs. Rabbitohs Mar 17 Panthers 12.00
6 Storm vs. Wests Tigers Mar 17 Storm 23.20
7 Sea Eagles vs. Eels Mar 18 Sea Eagles 1.20
8 Raiders vs. Knights Mar 18 Raiders 13.80

 

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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 »