Computer Rating System Prediction Results for Pro football (NFL)
2007 Second Half Totals
Through
Rank |
System |
Pct. Correct |
Against Spread |
Absolute Error |
Bias |
Mean Square Error |
games |
suw |
sul |
atsw |
atsl |
1 | Sagarin Predictive | 0.64234 | 0.53333 | 11.3155 | -1.02920 | 194.37000 | 137 | 88 | 49 | 72 | 63 |
2 | Roger Johnson | 0.64964 | 0.54412 | 11.1088 | -1.33210 | 186.66900 | 137 | 89 | 48 | 74 | 62 |
3 | Mike Greenfield | 0.64964 | 0.51471 | 11.2591 | -1.85910 | 191.90600 | 137 | 89 | 48 | 70 | 66 |
4 | Ashby AccuRatings | 0.64964 | 0.47619 | 11.2628 | 0.15360 | 188.38500 | 137 | 89 | 48 | 60 | 66 |
5 | Least Squares | 0.64964 | 0.50735 | 11.4682 | -1.53200 | 194.55900 | 137 | 89 | 48 | 69 | 67 |
6 | Logistic Regression | 0.64964 | 0.52206 | 11.4815 | -2.45570 | 204.82900 | 137 | 89 | 48 | 71 | 65 |
7 | Jeff Imes | 0.64964 | 0.51471 | 11.5583 | -0.06390 | 204.96100 | 137 | 89 | 48 | 70 | 66 |
8 | Sagarin Elo | 0.64964 | 0.44853 | 11.5644 | -0.99200 | 200.82000 | 137 | 89 | 48 | 61 | 75 |
9 | System Average | 0.64234 | 0.53676 | 11.0929 | -0.67950 | 183.12600 | 137 | 88 | 49 | 73 | 63 |
10 | JFM Power Ratings | 0.64234 | 0.55147 | 11.1091 | -0.19400 | 184.39400 | 137 | 88 | 49 | 75 | 61 |
11 | Pigskin Index | 0.64234 | 0.54545 | 11.1169 | 0.00770 | 186.00600 | 137 | 88 | 49 | 66 | 55 |
12 | System Median | 0.64234 | 0.50370 | 11.1185 | -0.64190 | 185.00700 | 137 | 88 | 49 | 68 | 67 |
13 | John Coffey | 0.64234 | 0.50000 | 11.2587 | -0.53200 | 190.89900 | 137 | 88 | 49 | 68 | 68 |
14 | Line (updated) | 0.70073 | | 10.8358 | -0.73360 | 177.84100 | 137 | 96 | 41 | | |
15 | Kasulis Enhanced Spread | 0.64234 | 0.45865 | 11.4912 | -1.43580 | 195.76200 | 137 | 88 | 49 | 61 | 72 |
16 | Lee Burdorf | 0.64234 | 0.50370 | 12.2212 | -0.28250 | 227.35100 | 137 | 88 | 49 | 68 | 67 |
17 | LS - w/ team HFA | 0.63504 | 0.56618 | 11.1518 | -1.71530 | 209.44000 | 137 | 87 | 50 | 77 | 59 |
18 | Stephen Kerns | 0.63504 | 0.47059 | 12.3832 | -0.91750 | 234.48100 | 137 | 87 | 50 | 64 | 72 |
19 | Steven Jens | 0.62774 | 0.50758 | 11.1037 | -0.77660 | 185.46600 | 137 | 86 | 51 | 67 | 65 |
20 | Dokter Entropy | 0.62774 | 0.45588 | 11.2387 | -0.37680 | 193.71400 | 137 | 86 | 51 | 62 | 74 |
21 | Scoring Effeciency | 0.62774 | 0.50000 | 11.2750 | -0.21070 | 193.94700 | 137 | 86 | 51 | 68 | 68 |
22 | NutShell Sports | 0.62774 | 0.49265 | 11.3371 | -0.15140 | 193.00500 | 137 | 86 | 51 | 67 | 69 |
23 | Least Abs. Val Reg | 0.62774 | 0.51880 | 11.7536 | -1.92310 | 209.01400 | 137 | 86 | 51 | 69 | 64 |
24 | Tom Benson | 0.61314 | 0.42647 | 12.1597 | 0.33110 | 212.98300 | 137 | 84 | 53 | 58 | 78 |
25 | Dunkel Index | 0.59854 | 0.49630 | 11.7773 | -0.13230 | 203.97600 | 137 | 82 | 55 | 67 | 68 |
26 | Covers.com | 0.49635 | 0.43382 | 12.6215 | -1.09440 | 245.74800 | 137 | 68 | 69 | 59 | 77 |
27 | PerformanZ Ratings | 0.66423 | 0.51471 | 11.3406 | -1.48230 | 196.08500 | 137 | 91 | 46 | 70 | 66 |
28 | Eric Hollobaugh | 0.67883 | 0.50735 | 11.4691 | -0.13480 | 198.53900 | 137 | 93 | 44 | 69 | 67 |
29 | Kambour Rating | 0.67153 | 0.51471 | 11.0061 | -0.81280 | 185.21500 | 137 | 92 | 45 | 70 | 66 |
30 | Pythagorean Ratings | 0.67153 | 0.51471 | 11.2247 | -1.06580 | 193.58900 | 137 | 92 | 45 | 70 | 66 |
31 | Sonny Moore | 0.67153 | 0.49265 | 11.4588 | -1.20660 | 196.71700 | 137 | 92 | 45 | 67 | 69 |
32 | CPA Retro Rankings | 0.67883 | 0.49265 | 11.0707 | 0.44640 | 191.53600 | 137 | 93 | 44 | 67 | 69 |
33 | Sourjax | 0.64964 | 0.50370 | 11.1072 | 0.38420 | 191.97500 | 137 | 89 | 48 | 68 | 67 |
34 | NutShell Retro | 0.66423 | 0.52206 | 11.1920 | -0.90940 | 188.76900 | 137 | 91 | 46 | 71 | 65 |
35 | Sagarin | 0.66423 | 0.51852 | 11.2663 | -1.02310 | 192.07100 | 137 | 91 | 46 | 70 | 65 |
36 | Reistertown Index | 0.66423 | 0.48031 | 11.5255 | -0.95620 | 200.05900 | 137 | 91 | 46 | 61 | 66 |
37 | Sport Trends | 0.66423 | 0.50000 | 11.5919 | -2.64150 | 211.80500 | 137 | 91 | 46 | 68 | 68 |
38 | CPA Rankings | 0.65693 | 0.52206 | 11.1001 | 0.41070 | 186.88200 | 137 | 90 | 47 | 71 | 65 |
39 | Michael Robert Ratings | 0.65693 | 0.51471 | 11.1626 | 0.04390 | 191.48500 | 137 | 90 | 47 | 70 | 66 |
40 | Beck Elo | 0.65693 | 0.44853 | 11.3983 | -1.04360 | 194.80900 | 137 | 90 | 47 | 61 | 75 |
41 | Stat Fox | 0.65693 | 0.53600 | 11.4452 | 0.20470 | 194.65700 | 137 | 90 | 47 | 67 | 58 |
42 | Line (opening) | 0.68613 | 0.46939 | 10.9745 | -0.60220 | 179.45900 | 137 | 94 | 43 | 46 | 52 |
43 | Computer Adjusted Line | 0.70073 | 0.46512 | 10.8796 | -0.71900 | 178.46900 | 137 | 96 | 41 | 20 | 23 |
44 | Hank Trexler | 0.64964 | 0.49612 | 11.0365 | -0.89050 | 184.27200 | 137 | 89 | 48 | 64 | 65 |
45 | TheSportsCruncher | 0.68382 | 0.52672 | 11.1056 | -0.41400 | 182.38400 | 136 | 93 | 43 | 69 | 62 |
46 | Pigskin Herald | 0.65441 | 0.48507 | 11.7956 | -1.24410 | 201.40800 | 136 | 89 | 47 | 65 | 69 |
47 | Brian Gabrielle | 0.65152 | 0.47581 | 11.3411 | -0.10560 | 191.06400 | 132 | 86 | 46 | 59 | 65 |
48 | Dwiggins | 0.67692 | 0.47287 | 11.7077 | -0.42920 | 207.79200 | 130 | 88 | 42 | 61 | 68 |
49 | Ed Bemiss | 0.67692 | 0.52381 | 11.0984 | -0.87220 | 190.49800 | 130 | 88 | 42 | 66 | 60 |
50 | What If Sports | 0.65079 | 0.47200 | 11.8233 | -0.30060 | 204.55600 | 126 | 82 | 44 | 59 | 66 |
51 | Sports Report Pred | 0.69048 | 0.51200 | 11.9143 | -1.52570 | 235.49300 | 126 | 87 | 39 | 64 | 61 |
52 | TSR Slots | 0.65079 | 0.50400 | 12.1663 | -1.49720 | 237.14800 | 126 | 82 | 44 | 63 | 62 |
53 | Sports Report Elo | 0.68254 | 0.49600 | 12.2609 | -1.30500 | 227.03200 | 126 | 86 | 40 | 62 | 63 |
54 | The Sports Report | 0.66667 | 0.49600 | 11.7728 | -1.56130 | 208.52400 | 126 | 84 | 42 | 62 | 63 |
55 | Cover81 | 0.72000 | 0.58261 | 10.6640 | -0.91840 | 171.26300 | 125 | 90 | 35 | 67 | 48 |
56 | ARGH Power Ratings | 0.64463 | 0.49107 | 11.5702 | -1.25620 | 197.22100 | 121 | 78 | 43 | 55 | 57 |
57 | Upset Report | 0.66942 | 0.49573 | 11.2612 | -2.00660 | 202.87400 | 121 | 81 | 40 | 58 | 59 |
58 | Grid Iron Gold | 0.62712 | 0.49558 | 12.0676 | -1.49980 | 225.60400 | 118 | 74 | 44 | 56 | 57 |
59 | Jeff Self | 0.63478 | 0.49123 | 11.2537 | -0.31040 | 193.18600 | 115 | 73 | 42 | 56 | 58 |
60 | Game Time Decision | 0.63208 | 0.52525 | 11.0285 | 0.15110 | 178.58500 | 106 | 67 | 39 | 52 | 47 |
61 | Bihl Rankings | 0.66337 | 0.50000 | 11.2979 | 0.26430 | 186.47400 | 101 | 67 | 34 | 50 | 50 |
62 | Deslock Rankings | 0.67021 | 0.46237 | 11.8131 | -0.41180 | 209.47500 | 94 | 63 | 31 | 43 | 50 |
63 | Viacheslav | 0.42857 | 0.21429 | 13.5229 | 5.17860 | 227.37100 | 14 | 6 | 8 | 3 | 11 |
pct correct = percent straight up picking winners
against spread = percent against the midweek line
absolute error = average(prediction - actual result)
bias = absolute value(prediction - actual result)
mean square error = absolute error squared
games collected
suw = straight up wins
sul = straight up losses
atsw = against the spread wins
atsl = against the spread losses