Friday, July 25, 2014

NRL Season 2014 Most improved, least improved Teams

Have started getting into Sports Statistics recently, probably due to my World Cup series of posts as well as my following of Nate Silvers fivethirtyeight.com statistics blog (see my link list if you would like to view)

Anyway, being also an avid NRL fan, I was wondering if we could use statistics to work out the most improved/least improved teams of the 2014 NRL season so far.

So I have calculated the last 3 year average win percentage of each team in the NRL an have used that as the baseline of what the win percentage should be in 2014. I have then compared that average with what the current win percentage is to get an idea of the percentage "improvement" or "detriment" of each team is.

And the improvers are :-

1. Parramatta: 99.3% improvement
2. Penrith: 66.4% improvement
3. Gold Coast Titans : 25% improvement
4. Sydney Roosters : 18% improvement
5. New Zealand Warriors : 15% improvement
5. West Tigers : 15% improvement
7. Bulldogs : 8% improvement
8. Dragons : 5% improvement
9. Manly: 3% improvement

On the other side are the dodgies

1. Cronulla Sharks: 49% destruction
2. Newcastle Knights: 38% destruction
3. Canberra Raiders : 27% destruction
3. Melbourne Storm : 27% destruction
5. North Queensland Cowboys: 17% destruction
6. Rabbits : 6% destruction
7. Bronco's : 4% destruction

Interesting stats really. Just goes to show how Ricky Stuart has affected the teams he has left/joined. Also, just how off field factors (peptites) and severe injury (Alex McKinnon) can affect teams performance.

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