November 29, 2022

Rugby Premiership Predictions for Round 12

Team Ratings for Round 12

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
Leicester Tigers 5.14 7.93 -2.80
Sale Sharks 4.43 4.14 0.30
Harlequins 3.88 3.92 -0.00
Gloucester 2.99 5.92 -2.90
Exeter Chiefs 2.74 3.67 -0.90
Northampton Saints 1.86 3.99 -2.10
Saracens 1.10 -5.00 6.10
Wasps -0.18 0.77 -1.00
London Irish -0.73 -1.65 0.90
Bristol -4.32 -2.43 -1.90
Bath -6.27 -9.15 2.90
Newcastle Falcons -7.88 -8.76 0.90
Worcester Warriors -11.69 -12.27 0.60

 

Performance So Far

So far there have been 53 matches played, 34 of which were correctly predicted, a success rate of 64.2%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Harlequins vs. Gloucester Nov 26 21 – 12 4.90 TRUE
2 Newcastle Falcons vs. Exeter Chiefs Nov 26 24 – 21 -7.30 FALSE
3 Sale Sharks vs. Bristol Nov 27 25 – 20 14.30 TRUE
4 Leicester Tigers vs. London Irish Nov 28 33 – 31 11.50 TRUE

 

Predictions for Round 12

Here are the predictions for Round 12. 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 Bath vs. Harlequins Dec 03 Harlequins -5.70
2 Bristol vs. Leicester Tigers Dec 04 Leicester Tigers -5.00
3 Gloucester vs. Northampton Saints Dec 04 Gloucester 5.60
4 London Irish vs. Newcastle Falcons Dec 04 London Irish 11.60

 

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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 »