May 7, 2019

Rugby Premiership Predictions for Round 22

Team Ratings for Round 22

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
Saracens 11.03 11.19 -0.20
Exeter Chiefs 9.05 11.13 -2.10
Northampton Saints 5.44 3.42 2.00
Gloucester Rugby 4.01 1.23 2.80
Bath Rugby 3.18 3.11 0.10
Wasps 2.08 8.30 -6.20
Harlequins 2.07 2.05 0.00
Sale Sharks 1.37 -0.81 2.20
Leicester Tigers -0.03 6.26 -6.30
Worcester Warriors -1.76 -5.18 3.40
Bristol -1.85 -5.60 3.80
Newcastle Falcons -3.00 -3.51 0.50

 

Performance So Far

So far there have been 126 matches played, 86 of which were correctly predicted, a success rate of 68.3%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Bath Rugby vs. Wasps May 04 29 – 17 5.40 TRUE
2 Bristol vs. Sale Sharks May 04 20 – 20 2.80 FALSE
3 Gloucester Rugby vs. Newcastle Falcons May 04 28 – 19 13.30 TRUE
4 Harlequins vs. Leicester Tigers May 04 23 – 19 8.40 TRUE
5 Northampton Saints vs. Worcester Warriors May 04 38 – 10 11.20 TRUE
6 Saracens vs. Exeter Chiefs May 04 38 – 7 5.40 TRUE

 

Predictions for Round 22

Here are the predictions for Round 22. 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 Exeter Chiefs vs. Northampton Saints May 18 Exeter Chiefs 9.10
2 Leicester Tigers vs. Bath Rugby May 18 Leicester Tigers 2.30
3 Newcastle Falcons vs. Bristol May 18 Newcastle Falcons 4.40
4 Sale Sharks vs. Gloucester Rugby May 18 Sale Sharks 2.90
5 Wasps vs. Harlequins May 18 Wasps 5.50
6 Worcester Warriors vs. Saracens May 18 Saracens -7.30

 

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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 »