2007 NFL Forecast

21 Jan 2008: Average model rankings (NFL) (average rank over entire season)

21 Jan 2008: Current model rankings (NFL) (rank at current week in the season)

2007 Model Performance:

All games                     forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         95     131      32       8       0       0     266
number right:        38      79      23       7       0       0     147
number expected:   53.0    83.8    23.7     6.6     0.0     0.0   167.2
right/expected:    0.72    0.94    0.97    1.06    0.00    0.00    0.88

Breakdown by Division and Conference:
Division games                forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         31      50      11       5       0       0      97
number right:        10      25       8       4       0       0      47
number expected:   17.1    32.1     8.3     4.1     0.0     0.0    61.6
right/expected:    0.58    0.78    0.97    0.97    0.00    0.00    0.76

Non-Division games            forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         41      51      11       2       0       0     105
number right:        19      31       8       2       0       0      60
number expected:   23.2    32.6     8.0     1.7     0.0     0.0    65.5
right/expected:    0.82    0.95    1.00    1.20    0.00    0.00    0.92

Non-Conference games          forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         23      30      10       1       0       0      64
number right:         9      23       7       1       0       0      40
number expected:   12.7    19.1     7.5     0.8     0.0     0.0    40.1
right/expected:    0.71    1.20    0.94    1.23    0.00    0.00    1.00

actual/expected = 1 -- model right on
actual/expected > 1 -- model probabilities too low (more wins than expected)
actual/expected < 1 -- model probabilities too high (less wins than expected)

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