February 16, 2021

Rugby Premiership 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
Exeter Chiefs 7.05 7.35 -0.30
Bristol 4.00 1.28 2.70
Sale Sharks 3.52 4.96 -1.40
Wasps 2.54 5.66 -3.10
Harlequins 1.35 -1.08 2.40
Northampton Saints -1.04 -2.48 1.40
Bath -2.01 2.14 -4.10
Gloucester -3.06 -1.02 -2.00
Leicester Tigers -5.61 -6.14 0.50
Newcastle Falcons -6.17 -10.00 3.80
London Irish -6.31 -8.05 1.70
Worcester Warriors -7.35 -5.71 -1.60

 

Performance So Far

So far there have been 48 matches played, 28 of which were correctly predicted, a success rate of 58.3%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Exeter Chiefs vs. London Irish Feb 14 26 – 3 17.10 TRUE
2 Gloucester vs. Bristol Feb 13 17 – 18 -2.80 TRUE
3 Harlequins vs. Leicester Tigers Feb 14 37 – 24 11.20 TRUE
4 Sale Sharks vs. Bath Feb 13 22 – 27 11.80 FALSE
5 Worcester Warriors vs. Wasps Feb 15 13 – 17 -5.70 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 Bath vs. Gloucester Feb 20 Bath 5.50
2 Exeter Chiefs vs. Northampton Saints Feb 21 Exeter Chiefs 12.60
3 Harlequins vs. Sale Sharks Feb 21 Harlequins 2.30
4 Leicester Tigers vs. Wasps Feb 21 Wasps -3.60
5 London Irish vs. Bristol Feb 22 Bristol -5.80
6 Worcester Warriors vs. Newcastle Falcons Feb 21 Worcester Warriors 3.30

 

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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 »