Friday, February 24, 2012

Margin analysis: 2000-2011

Approximately 1% of games end in a draw
Home teams win approximately 57% of the time, Away 43%
2.5% of games are thumpings of 100 points or more
16% of all games are won by ten goals or more (10% of home team wins just over 6% away)
35% are less than 3 goals
20% less than 2 goals
15% less than a goal

Wednesday, January 18, 2012

Bookies odds for the flag


Data taken from the Herald Sun: odds to win premiership:  The Herald Sun odds imply that the top eight will be:

Collingwood: $3.50
Geelong: $4.50
Hawthorn: $7
Carlton: $8
StKilda: $15
West Coast: $15
Essendon: $21
Fremantle: $21

Also Gold Coast to do better than Port with GWS supporting the whole ladder.

Home Ground advantage: what is it worth?


Short answer: Eight points
Longer answer: two scoring shots: eight points

This is based on the home and away games from the start of the 2000 season through until the end of the 2011 season. The averages are:

Home team: (red line in graph below)
14.45 goals, 12.37 behinds: 99.06 total

Away team: (blue line in graph below)
13.27 goals, 11.47 behinds: 91.07 total

Near enough to 8 point advantage

This is raw home ground advantage, we can of course get more technical and look at interstate teams and neutral grounds. But for the one step up from mug punter (who tosses a coin to determine their tips back the home team. (1219 wins vs 882 losses and 22 draws)(58.4% win rate).

All team score distributions shown via the black line (close enough to a normal distribution).  Winning margins shown in orange (in groups of six points: i.e. nearly 300 games decided by a goal or less, plus 22 draws)