Research Article
Forecasting Tennis Match Results Using the Bradley-Terry Model
Table 8
Measures of predictive performance for bookmakers’ average odds.
| | Bookmakers’ average odds | | All surfaces | Hard court | Clay court |
| | Classification accuracy | 66.81% | 66.14% | 65.35% | | Average probability | 0.6032 | 0.5979 | 0.6064 | | Average log probability | -0.57 | -0.579 | -0.58 | | Return on investment | 26.88% | 26.00% | 23.76% |
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