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NFL Prediction Results for 9/21/08 PDF Print E-mail
Tuesday, 23 September 2008
Wow.  What a strange week for the NFL.  Not as many upsets as usual, but still quite unusual overall.  There could easily have been a couple more than the 3 upsets that did occur, as Buffalo and the NY Giants had to go the distance (and then some) to beat Oakland and Cincy, respectively.
 
Overall, the system did fairly well in picking the winners, but got butchered against the spread.  This is due to not picking any of the upsets (which is quite unusual for my system), predicting wrong on two games, but by and large it was due to the 5 games where one or both teams really over- or under-performed.  I mean come on -- G-men squeaking by the Bengals?  Really?
 
For what it's worth, the Vegas spread was pretty lousy too, so no one did very well this week in predicting the games. 
Hopefully next week brings better luck against the spread.
 
Home                     Line  Away                   CR Line   Conf   Score ATS Str Anl
========================================================================================
NY GIANTS               -13.5  Cincinnati              -22.96   0.660  26-23  L   W   O
TENNESSEE                -4.5  Houston                 -11.32   0.625  31-12  W   W
CHICAGO                  -3.0  Tampa Bay                -8.87   0.612  24-27  L   L   U-
Minnesota                -3.5  CAROLINA                 +2.14   0.606  20-10  L   L   CR
NEW ENGLAND             -12.5  Miami                   -18.11   0.595  13-38  L   L   U-
DENVER                   -5.5  New Orleans             -10.35   0.587  34-32  L   W   CR
BUFFALO                  -9.0  Oakland                 -13.97   0.586  24-23  L   W   O
WASHINGTON               -3.0  Arizona                  -6.89   0.575  24-17  W   W
SAN DIEGO                -9.0  NY Jets                 -12.54   0.561  48-29  W   W
PHILADELPHIA             -3.0  Pittsburgh               -5.50   0.548  15- 6  W   W
Seattle                  -9.5  ST. LOUIS                -7.70   0.531  37-13  L   W   O
Green Bay                +3.0  DALLAS                   +4.05   0.520  16-27  W   W
Baltimore                -1.5  CLEVELAND                -0.60   0.518  28-10  L   W   O
SAN FRANCISCO            -3.5  Detroit                  -4.31   0.515  31-13  W   W
Atlanta                  -4.5  KANSAS CITY              -3.96   0.510  38-14  L   W   O
INDIANAPOLIS             -5.5  Jacksonville             -5.82   0.506  21-23  L   L   U-

Teams listed in CAPS are favored against the spread

This week straight up:          12-4            (75.0%)
This week against the spread:    6-10           (37.5%)

Vegas Error:               11.6875
CR Error:                  13.0224
Vegas Bias:                -1.5625
CR Bias:                    0.8575
Vegas Mean Square Error:  201.6562
CR Mean Square Error:     260.1950

Extended Analysis
-----------------
key:    U+ = upset vs. spread that resulted in win vs. spread
        U- = upset vs. spread that resulted in loss vs. spread
        O  = loss vs. spread due to at least one team overplaying or underplaying
        CR = loss vs. spread due to Comprank failure

6 wins vs. spread due to Comprank success
0 wins vs. spread due to upsets
3 losses vs. spread due to upsets
5 losses vs. spread due to teams over/under playing their opponents
2 losses due to Comprank failure

CR success rate -->  6/16 = 37.5%       Analysis:       Extremely Low
CR failure rate -->  2/16 = 12.5%       Analysis:       Slightly Above Average
upset ratio ------>  3/16 = 18.8%       Analysis:       Average

 
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