May 13, 2015

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 8.69 9.09 -0.40
Cowboys 6.99 9.52 -2.50
Rabbitohs 6.22 13.06 -6.80
Storm 4.95 4.36 0.60
Broncos 4.20 4.03 0.20
Dragons 1.44 -1.74 3.20
Panthers 0.93 3.69 -2.80
Warriors 0.82 3.07 -2.30
Raiders -1.22 -7.09 5.90
Bulldogs -1.66 0.21 -1.90
Knights -1.83 -0.28 -1.60
Sea Eagles -2.02 2.68 -4.70
Sharks -5.85 -10.76 4.90
Titans -6.74 -8.20 1.50
Wests Tigers -6.74 -13.13 6.40
Eels -6.85 -7.19 0.30

 

Performance So Far

So far there have been 72 matches played, 38 of which were correctly predicted, a success rate of 52.8%.

Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Broncos vs. Panthers May 08 8 – 5 6.80 TRUE
2 Roosters vs. Wests Tigers May 08 36 – 4 16.20 TRUE
3 Cowboys vs. Bulldogs May 09 23 – 16 12.40 TRUE
4 Raiders vs. Titans May 09 56 – 16 3.70 TRUE
5 Sharks vs. Warriors May 09 16 – 20 -2.40 TRUE
6 Eels vs. Storm May 10 10 – 28 -7.30 TRUE
7 Sea Eagles vs. Knights May 10 30 – 28 3.00 TRUE
8 Rabbitohs vs. Dragons May 11 16 – 10 8.10 TRUE

 

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 Bulldogs vs. Roosters May 15 Roosters -7.30
2 Cowboys vs. Broncos May 15 Cowboys 5.80
3 Eels vs. Warriors May 16 Warriors -3.70
4 Storm vs. Rabbitohs May 16 Storm 1.70
5 Titans vs. Sharks May 16 Titans 2.10
6 Dragons vs. Raiders May 17 Dragons 5.70
7 Knights vs. Wests Tigers May 17 Knights 7.90
8 Sea Eagles vs. Panthers May 18 Sea Eagles 0.10

 

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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 »