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Read this for a description of APR
Here's the power rankings for week 1. A few notes:
There's a small "epsilon" factor built-in to APR that gives a very small amount of weight to the margin of victory to avoid early-season ties. The way I wrote it, this is done every time through the feedback loop, and oddly, the end result makes teams that win by a wide margin slightly weaker than teams that win closer games under similar circumstances. The way I wrote the code, there's no easy way to change this except to take it out completely, and I'm not entirely convinced this is wrong...
Note that there are still a number of ties in the rankings.
These rankings are based on one game (no preseason data was included). Don't freak out if you think your team is ranked too low; things will settle out as more games are played.
In general, APR operates under the assumption that
winning on the road > winning at home > losing on the road > losing at home
which is very much reflected in the rankings below. The Jets and Panthers were not ranked higher because their road wins were close.
| Rank | Team | Power Index | W-L | This Week |
| 1) | Chicago Bears | 1.5454 | 1-0 | won @Colts by 16 |
| 2) | Dallas Cowboys | 1.5451 | 1-0 | won @Browns by 18 |
| 3) | Denver Broncos | 1.5434 | 1-0 | won @Raiders by 27 |
| 4) | Arizona Cardinals | 1.5148 | 1-0 | won @49ers by 10 |
| 5) | Pittsburgh Steelers | 1.4687 | 1-0 | won vs Texans by 21 |
| 6) | Buffalo Bills | 1.4682 | 1-0 | won vs Seahawks by 24 |
| 7) | Philadelphia Eagles | 1.4657 | 1-0 | won vs Rams by 35 |
| 8) | Atlanta Falcons | 1.4423 | 1-0 | won vs Lions by 24 |
| 9) | New
York Giants | 1.4397 | 1-0 | won vs Redskins by 9 |
| T10) | New
England Patriots | 1.4384 | 1-0 | won vs Chiefs by 7 |
| T10) | Baltimore Ravens | 1.4384 | 1-0 | won vs Bengals by 7 |
| T10) | Tennessee Titans | 1.4384 | 1-0 | won vs Jaguars by 7 |
| T13) | New
York Jets | 1.3983 | 1-0 | won @ Dolphins by 6 |
| T13) | Carolina Panthers | 1.3983 | 1-0 | won @Chargers by 2 |
| T15) | Green
Bay Packers | 1.3296 | 1-0 | won vs Vikings by 6 |
| T15) | New
Orleans Saints | 1.3296 | 1-0 | won vs Buccaneers by 4 |
| T17) | Minnesota Vikings | 1.1967 | 0-1 | lost @Packers by 6 |
| T17) | Tampa
Bay Buccaneers | 1.1967 | 0-1 | lost @ Saints by 4 |
| T19) | Kansas
City Chiefs | 1.0443 | 0-1 | lost @Patriots by 7 |
| T19) | Cincinnati Bengals | 1.0443 | 0-1 | lost @Ravens by 7 |
| 21) | Jacksonville Jaguars | 1.0443 | 0-1 | lost @Titans by 7 |
| 22) | Washington Redskins | 1.0410 | 0-1 | lost @ Giants by 9 |
| 23) | Detroit Lions | 1.0345 | 0-1 | lost @ Falcons by 14 |
| T24) | San
Diego Chargers | 1.0169 | 0-1 | lost vs Panthers by 2 |
| T24) | Miami Dolphins | 1.0169 | 0-1 | lost vs Jets by 6 |
| 26) | San
Francisco 49ers | 0.8833 | 0-1 | lost vs Cardinals by 10 |
| 27) | Houston Texans | 0.8434 | 0-1 | lost @Steelers by 21 |
| 28) | Seattle Seahawks | 0.8378 | 0-1 | lost @Bills by 14 |
| 29) | St. Louis Rams | 0.8171 | 0-1 | lost @Eagles by 35 |
| 30) | Indianapolis Colts | 0.7246 | 0-1 | lost vs Bears by 16 |
| 31) | Cleveland Browns | 0.7215 | 0-1 | lost vs Cowboys by 18 |
| 32) | Oakland Raiders | 0.7072 | 0-1 | lost vs Broncos by 27 |
