2004 NFL Forecast

25 Jan 2005: Average model rankings (NFL) (average rank over entire season)

25 Jan 2005: Current model rankings (NFL) (rank at current week in the season)

2004 Model Performance:

All games                     forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         53     118      71      23       1       0     266
number right:        26      64      52      18       1       0     161
number expected:   29.4    75.4    53.3    19.0     0.9     0.0   178.0
right/expected:    0.88    0.85    0.98    0.95    1.10    0.00    0.90

Breakdown by Division and Conference:
Division games                forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         21      38      26      13       0       0      98
number right:         9      20      19      10       0       0      58
number expected:   11.7    24.3    19.5    10.8     0.0     0.0    66.3
right/expected:    0.77    0.82    0.98    0.93    0.00    0.00    0.88

Non-Division games            forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:         24      50      23       7       0       0     104
number right:        13      28      15       5       0       0      61
number expected:   13.3    31.9    17.3     5.8     0.0     0.0    68.2
right/expected:    0.98    0.88    0.87    0.87    0.00    0.00    0.89

Non-Conference games          forecast probabilities
                 50-59%  60-69%  70-79%  80-89%  90-99%    100%     all
total games:          8      30      22       3       1       0      64
number right:         4      16      18       3       1       0      42
number expected:    4.5    19.1    16.6     2.5     0.9     0.0    43.6
right/expected:    0.89    0.84    1.09    1.22    1.10    0.00    0.96

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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