- Aug 18, 2009
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Post-Grand Final update! The best tipsters by club!
Updated 29 March 2012! Now with 357 ladders, and team snapshots for North Melbourne, Richmond, West Coast, Melbourne, Carlton, GWS, Collingwood, Hawthorn, St. Kilda, Sydney, Geelong, Adelaide, Port Adelaide, Fremantle, Essendon, and Gold Coast.
Every year, people try to predict the ladder for the following year. Here is the thread for 2012:
http://www.bigfooty.com/forum/showthread.php?t=878281 (Part 1)
http://www.bigfooty.com/forum/showthread.php?t=894794 (Part 2)
I have run these ladders through a statistical analysis, so now I can bring you...
THE CONSOLIDATED BIGFOOTY 2012 LADDER
Here's what you get if you combine the 300 ladders from that thread into one:
These teams exhibit the smallest statistical variation in predictions, which means people agreed most often about where they are likely to finish:
These teams exhibit large statistical variations in their predicted finishing position, meaning there is a lot of disagreement about how they will go in 2012:
Yes! Supporters of all 18 teams on average predict their own team to finish higher than the rest of BigFooty does.
Who Are The Most Optimistic/Delusional?
We don't actually know yet where teams will finish on the ladder in 2012, so a team's supporters may be right when they predict that their team is better than everyone thinks. But not everyone can be right! So someone must be deluding themselves.
Ranked from most disproportionately optimistic supporters to most disproportionately pessimistic (based on number of standard deviations away from the average):
(Stats talk: this rank is actually derived from the difference in average ladder position as measured by standard deviations. For example, St. Kilda's average rank is 10.5 with a very high standard deviation of 3.36, because people have ranked it all over the place. St. Kilda supporters rank themselves 6.4 on average, a whole four rungs higher than BigFooty. Greater Western Sydney supporters rank themselves only three rungs better (average ranking of 14.8 vs 17.8), but because BigFooty is near-unanimous that they're going to finish bottom, that's against a much lower standard deviation of 1.02. GWS are therefore 3.0 standard deviations more optimistic about themselves while St. Kilda are only 1.2 standard deviations more optimistic.)
Edit: Updated 6-Dec-11. Increased data sample from 137 to 300 ladders. Ladder differences: Richmond & St Kilda swap places at 10th & 11th. Brisbane & Western Bulldogs swap places at 14th & 15th.
Edit: 16-Jul-12. Fixed links to team snapshots, which were broken by forum upgrade.
Updated 29 March 2012! Now with 357 ladders, and team snapshots for North Melbourne, Richmond, West Coast, Melbourne, Carlton, GWS, Collingwood, Hawthorn, St. Kilda, Sydney, Geelong, Adelaide, Port Adelaide, Fremantle, Essendon, and Gold Coast.
Every year, people try to predict the ladder for the following year. Here is the thread for 2012:
http://www.bigfooty.com/forum/showthread.php?t=878281 (Part 1)
http://www.bigfooty.com/forum/showthread.php?t=894794 (Part 2)
I have run these ladders through a statistical analysis, so now I can bring you...
THE CONSOLIDATED BIGFOOTY 2012 LADDER
Here's what you get if you combine the 300 ladders from that thread into one:
- Hawthorn
- Collingwood
- Geelong
- Carlton
- West Coast
- Fremantle
- Sydney
- North Melbourne
- Essendon
- St. Kilda
- Richmond
- Melbourne
- Adelaide
- Western Bulldogs
- Brisbane
- Gold Coast
- Port Adelaide
- Greater Western Sydney
These teams exhibit the smallest statistical variation in predictions, which means people agreed most often about where they are likely to finish:
- Greater Western Sydney (average prediction: 17th - 18th)
- Hawthorn (1st - 3rd)
- Port Adelaide (15th - 18th)
- Collingwood (1st - 4th)
- Gold Coast (14th - 17th)
- Carlton (2nd - 5th)
- West Coast (4th - 7th)
- Geelong (2nd - 5th)
- Western Bulldogs (11th - 16th)
These teams exhibit large statistical variations in their predicted finishing position, meaning there is a lot of disagreement about how they will go in 2012:
- St. Kilda (average prediction: 7th - 14th)
- Fremantle (4th - 9th)
- Essendon (7th - 12th)
- Adelaide (10th - 15th)
- Melbourne (9th - 14th)
- Richmond (8th - 13th)
- Sydney (5th - 10th)
- Brisbane (11th - 16th)
- North Melbourne (6th - 11th)
Yes! Supporters of all 18 teams on average predict their own team to finish higher than the rest of BigFooty does.
Who Are The Most Optimistic/Delusional?
We don't actually know yet where teams will finish on the ladder in 2012, so a team's supporters may be right when they predict that their team is better than everyone thinks. But not everyone can be right! So someone must be deluding themselves.
Ranked from most disproportionately optimistic supporters to most disproportionately pessimistic (based on number of standard deviations away from the average):
- Greater Western Sydney
- Gold Coast
- Port Adelaide
- North Melbourne
- St. Kilda
- Melbourne
- Sydney
- Richmond
- Western Bulldogs
- Adelaide
- Fremantle
- Essendon
- Hawthorn
- Collingwood
- West Coast
- Geelong
- Brisbane
- Carlton
(Stats talk: this rank is actually derived from the difference in average ladder position as measured by standard deviations. For example, St. Kilda's average rank is 10.5 with a very high standard deviation of 3.36, because people have ranked it all over the place. St. Kilda supporters rank themselves 6.4 on average, a whole four rungs higher than BigFooty. Greater Western Sydney supporters rank themselves only three rungs better (average ranking of 14.8 vs 17.8), but because BigFooty is near-unanimous that they're going to finish bottom, that's against a much lower standard deviation of 1.02. GWS are therefore 3.0 standard deviations more optimistic about themselves while St. Kilda are only 1.2 standard deviations more optimistic.)
Edit: Updated 6-Dec-11. Increased data sample from 137 to 300 ladders. Ladder differences: Richmond & St Kilda swap places at 10th & 11th. Brisbane & Western Bulldogs swap places at 14th & 15th.
Edit: 16-Jul-12. Fixed links to team snapshots, which were broken by forum upgrade.