August 19, 2025

Bunnings NPC Predictions for Week 4

Team Ratings for Week 4

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
Taranaki 9.41 5.30 4.10
Bay of Plenty 7.38 6.48 0.90
Canterbury 6.35 4.02 2.30
Wellington 5.04 6.60 -1.60
Hawke’s Bay 4.24 0.68 3.60
Tasman 3.87 3.49 0.40
Waikato 3.56 5.46 -1.90
Otago 0.06 -1.15 1.20
Auckland -1.56 -0.04 -1.50
North Harbour -2.08 1.50 -3.60
Counties Manukau -2.39 -0.26 -2.10
Southland -7.28 -5.90 -1.40
Northland -7.72 -6.54 -1.20
Manawatu -12.71 -13.45 0.70

 

Performance So Far

So far there have been 21 matches played, 16 of which were correctly predicted, a success rate of 76.2%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Southland vs. Manawatu Aug 15 29 – 22 8.90 TRUE
2 Bay of Plenty vs. Canterbury Aug 16 7 – 21 6.70 FALSE
3 Northland vs. Tasman Aug 16 14 – 28 -6.90 TRUE
4 Auckland vs. Taranaki Aug 16 8 – 50 -3.50 TRUE
5 Hawke’s Bay vs. North Harbour Aug 16 36 – 22 7.80 TRUE
6 Wellington vs. Otago Aug 17 41 – 46 10.10 FALSE
7 Waikato vs. Counties Manukau Aug 17 27 – 26 10.40 TRUE

 

Predictions for Week 4

Here are the predictions for Week 4. 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 Bay of Plenty vs. Southland Aug 21 Bay of Plenty 17.70
2 Hawke’s Bay vs. Canterbury Aug 22 Hawke’s Bay 0.90
3 Taranaki vs. Waikato Aug 23 Taranaki 8.80
4 North Harbour vs. Tasman Aug 23 Tasman -3.00
5 Auckland vs. Northland Aug 23 Auckland 9.20
6 Otago vs. Counties Manukau Aug 24 Otago 5.50
7 Manawatu vs. Wellington Aug 24 Wellington -14.70

 

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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 »