Computer Rating System Prediction Results for Pro football (NFL)

2009 Season Totals

System Pct. Correct Against Spread Absolute Error Bias Mean Square Error games suw sul atsw atsl
Michael Robert Ratings0.671230.5448311.32801.27770216.2050014698487966
Line (updated)0.6853911.33520.15980205.4030026718384
Computer Adjusted Line0.685390.5054911.35960.12410205.95900267183844645
Wunderdog Sports0.661650.5263211.3647-0.65040211.6940026617690120108
Line (opening)0.670410.4773911.44760.26500208.894002671798895104
Nationalsportsrankings0.653060.4843811.49220.99350212.01100196128689399
TheSportsCruncher0.685390.5387811.5151-0.42840218.2030026718384132113
Massey Ratings0.670410.5019211.52710.17360214.3930026717988131130
Ashby AccuRatings0.674160.4978911.58810.53790218.5760026718087118119
JFM Power Ratings0.692880.5210711.59590.47000219.4750026718582136125
System Average0.647940.5364011.6063-0.08080216.8970026717394140121
Hank Trexler0.666670.5316511.6367-0.32330218.1200026717889126111
System Median0.659180.5156311.6367-0.03430217.6760026717691132124
Pigskin Index0.662920.4750011.64800.59430217.0080026717790114126
Game Time Decision0.674160.5308611.67040.59240219.3400026718087129114
Scoring Effeciency0.666670.5172411.67650.43000222.8800026717889135126
Schmidt Comp. Ratings0.644190.5172411.69220.64080222.2440026717295135126
Nutshell Combo0.655430.5325711.74250.41880219.9910026717592139122
Kasulis Enhanced Spread0.632960.4942111.7487-0.74320224.0700026716998128131
Stat Fox0.677900.5506111.75650.46290215.9130026718186136111
Dokter Entropy0.644190.5019311.77330.18970217.5400026717295130129
Beck Elo0.647940.5325711.8209-0.17320230.6640026717394139122
PerformanZ Ratings0.670410.5287411.8335-0.43890234.9930026717988138123
Kambour Rating0.647940.4942511.8454-0.29740226.3970026717394129132
Nutshell Girl0.651690.4942511.85220.39430226.6640026717493129132
Pythagorean Ratings0.636700.5000011.85980.36550224.8910026717097130130
Jonathan Wilson0.659180.4824911.8846-0.29430229.1510026717691124133
Grid Iron Gold0.662920.5240011.8915-1.04830229.8740026717790131119
Reistertown Index0.685390.4556511.91010.26700230.9360026718384113135
Dunkel Index0.644190.4865911.9764-0.40370224.0760026717295127134
NFL Pickles0.666670.4967711.9907-1.60560221.18300162108547778
CPA Rankings0.689140.5632211.9911-0.23090235.1200026718483147114
Harmon Forcast0.676600.5497612.0043-0.26920232.098002351597611695
Steven Jens0.662920.5230812.00550.27200230.8670026717790136124
Brian Gabrielle0.661650.5161312.02060.39300229.5880026617690128120
Covers.com0.659180.4769212.03510.57980230.1850026717691124136
NutShell Sports0.644190.5172412.03820.37050226.9370026717295135126
Strengthranking.com0.649400.5142912.0526-0.62920233.7070025116388126119
Sagarin Predictive0.677900.4865912.0587-0.24460235.7000026718186127134
Sonny Moore0.644190.4884612.0675-0.31780231.1910026717295127133
ARGH Power Ratings0.655430.4798412.0693-0.40980229.6490026717592119129
Sagarin0.659180.5249012.0954-0.17420236.1080026717691137124
What If Sports0.655430.5443012.1100-0.32170241.0050026717592129108
Upset Report0.681650.5122012.1479-2.16170238.8470026718285126120
Eric Hollobaugh0.670410.5346212.14810.20770234.8920026717988139121
Roger Johnson0.643840.5238112.1570-1.46540243.6050021914178110100
Sportrends0.692880.5000012.15910.19390237.5140026718582123123
CPA Retro Rankings0.655430.5057512.1792-0.14440233.1890026717592132129
YourLinx0.644190.5019212.19080.22560231.6450026717295131130
Deslock Rankings0.650000.5042412.3513-1.43370249.4190024015684119117
Dwiggins0.635940.5117412.38520.75560242.8200021713879109104
Sagarin Elo0.644190.4827612.4118-0.08610246.4190026717295126135
RP Excel0.636700.4786012.42700.46240252.9810026717097123134
Least Squares0.636700.4865912.4367-1.76520248.4990026717097127134
Lee Burdorf0.674160.5134112.48540.72080248.0450026718087134127
Least Abs. Val Reg0.629210.4865912.4905-1.68270247.7030026716899127134
John Coffey0.623040.4702712.56250.04340242.47900191119728798
Stephen Kerns0.625470.5271312.5884-0.59290253.24200267167100136122
Logistic Regression0.588010.4712612.7231-1.49910255.21900267157110123138
Pete Prisco0.619660.4753412.73930.98720264.7010023414589106117
Pat Laffaye0.621470.5204712.9676-1.13690259.29700177110678982
Bihl Rankings0.645710.4911213.05450.58270257.77900175113628386
LS - w/ team HFA0.621720.4787613.2712-1.71070273.89600267166101124135
Tom Benson0.621720.4942513.6427-0.39710297.66600267166101129132