Adjusted Efficiency
Opponent-adjusted efficiency model with separate offensive and defensive components.
| Status | implemented | Short Name | PythAdj |
|---|---|---|---|
| Rating Style | probability | Where Shown | teams rankings, team pages, model performance |
Model Card
Best current in-repo adjusted-efficiency baseline: adjusted offensive and defensive efficiency, opponent correction, and pythagorean-style conversion back to win strength.
Early in a season this model's ratings are blended with each team's preseason prior by games played: a team with n games keeps 4/(n+4) of its prior, so the order settles as games come in. In the pro leagues, whose prior is the team's Elo carried over from last season, it keeps 8/(n+8) in the NBA and WNBA, 16/(n+16) in G League and Euroleague and 6/(n+6) in Eurocup.
Validation here is out of sample: each week of a season is predicted by models refit on the season's earlier games, and every model is scored on the same games. No comparable held-out evaluation is available for the selected league and season. Current scope: Ranked Games. Only games where at least one team had an AP Poll rank on game day. All models are re-evaluated on that same subset, and AP Poll joins the comparison set here.
Selected League / Season
Change league with the League selector at the top of the page.
295 published model outputs for NCAAMD2 2024-2025.
Held-out game predictions
No comparable held-out evaluation is available for the selected league and season.
League × Season Summary
Adjusted Efficiency in every evaluated league-season; rank among the models on the same games.
| League | Season | AUC | Rank | LogLoss | Games | AUC final wk |
|---|---|---|---|---|---|---|
| NCAAW | 2025-2026 | 0.924 | #6/17 | 0.348 | 709 | 0.667 |
| NCAAW | 2024-2025 | 0.956 | #10/17 | 0.291 | 65 | - |
| NCAAW | 2023-2024 | 0.981 | #3/17 | 0.187 | 64 | - |
| NCAAW | 2022-2023 | 0.944 | #10/17 | 0.318 | 89 | 0.500 |
| NCAAW | 2021-2022 | 0.927 | #8/17 | 0.369 | 76 | - |
| NCAAW | 2020-2021 | 0.886 | #7/17 | 0.516 | 63 | 1.000 |
| NCAAW | 2019-2020 | 0.984 | #10/17 | 0.104 | 45 | 1.000 |
| NCAAW | 2018-2019 | 0.957 | #1/17 | 0.276 | 34 | - |
| NCAAW | 2017-2018 | 0.947 | #12/17 | 0.304 | 64 | - |
| NCAAW | 2016-2017 | 0.921 | #11/17 | 0.359 | 56 | 1.000 |
| NCAAW | 2015-2016 | 0.907 | #12/17 | 0.385 | 53 | - |
| NCAAW | 2014-2015 | 0.977 | #7/17 | 0.174 | 40 | - |
| NCAAW | 2013-2014 | 0.915 | #6/17 | 0.530 | 44 | - |
| NCAAW | 2012-2013 | 0.887 | #6/17 | 0.451 | 77 | - |
| NCAAW | 2011-2012 | 0.897 | #5/17 | 0.397 | 70 | - |
| NCAAW | 2010-2011 | 0.783 | #9/17 | 0.511 | 38 | - |
| NCAAW | 2009-2010 | 0.924 | #4/17 | 0.382 | 46 | - |
| NCAAW | 2008-2009 | 0.957 | #6/17 | 0.302 | 68 | - |
| NCAAW | 2007-2008 | 0.855 | #6/17 | 0.534 | 30 | - |
| NCAAW | 2006-2007 | 0.888 | #6/17 | 0.399 | 27 | - |
| NCAAW | 2005-2006 | 0.978 | #1/17 | 0.239 | 29 | - |
| NCAAW | 2004-2005 | 0.932 | #8/17 | 0.346 | 27 | - |
| NCAAM | 2025-2026 | 0.854 | #8/17 | 0.472 | 878 | 1.000 |
| NCAAM | 2024-2025 | 0.834 | #9/17 | 0.496 | 972 | 0.500 |
| NCAAM | 2022-2023 | 0.807 | #9/17 | 0.424 | 22 | - |
| NCAAM | 2018-2019 | 0.939 | #9/17 | 0.327 | 62 | - |
| NCAAM | 2017-2018 | 0.333 | #9/17 | 1.144 | 6 | - |
| NCAAM | 2014-2015 | 0.778 | #3/17 | 0.738 | 25 | - |
| NCAAM | 2011-2012 | 0.839 | #7/17 | 0.462 | 23 | - |
| NCAAM | 2010-2011 | 0.764 | #13/17 | 0.588 | 53 | - |
| NCAAM | 2006-2007 | - | - | 0.952 | 2 | - |
| NCAAM | 2005-2006 | 0.744 | #8/17 | 0.626 | 19 | - |
| NCAAM | 2004-2005 | 0.778 | #10/17 | 0.573 | 18 | - |
Output Coverage
Stored site-output rows for this model.
| League | Season | Rows |
|---|---|---|
| WNBA | 2026 | 15 |
| WNBA | 2025 | 13 |
| WNBA | 2024 | 12 |
| WNBA | 2023 | 12 |
| WNBA | 2022 | 12 |
| WNBA | 2021 | 12 |
| WNBA | 2020 | 12 |
| WNBA | 2019 | 12 |
| WNBA | 2018 | 12 |
| WNBA | 2017 | 12 |
| WNBA | 2016 | 12 |
| WNBA | 2015 | 12 |
| WNBA | 2014 | 12 |
| WNBA | 2013 | 12 |
| WNBA | 2012 | 12 |
| WNBA | 2011 | 12 |
| WNBA | 2010 | 12 |
| WNBA | 2009 | 13 |
| WNBA | 2008 | 14 |
| WNBA | 2007 | 13 |
| WNBA | 2006 | 14 |
| WNBA | 2005 | 13 |
| WNBA | 2004 | 13 |
| WNBA | 2003 | 14 |
| NCAAWD3 | 2024-2025 | 418 |
| NCAAWD3 | 2023-2024 | 423 |
| NCAAWD3 | 2022-2023 | 358 |
| NCAAWD3 | 2019-2020 | 347 |
| NCAAWD2 | 2024-2025 | 293 |
| NCAAWD2 | 2023-2024 | 290 |
| NCAAWD2 | 2022-2023 | 292 |
| NCAAWD2 | 2019-2020 | 292 |
| NCAAWD2 | 2018-2019 | 291 |
| NCAAWD2 | 2016-2017 | 294 |
| NCAAW | 2026-2027 | 363 |
| NCAAW | 2025-2026 | 363 |
| NCAAW | 2024-2025 | 362 |
| NCAAW | 2023-2024 | 360 |
| NCAAW | 2022-2023 | 361 |
| NCAAW | 2021-2022 | 356 |
| NCAAW | 2020-2021 | 335 |
| NCAAW | 2019-2020 | 351 |
| NCAAW | 2018-2019 | 351 |
| NCAAW | 2017-2018 | 349 |
| NCAAW | 2016-2017 | 349 |
| NCAAW | 2015-2016 | 349 |
| NCAAW | 2014-2015 | 349 |
| NCAAW | 2013-2014 | 349 |
| NCAAW | 2012-2013 | 345 |
| NCAAW | 2011-2012 | 343 |
| NCAAW | 2010-2011 | 343 |
| NCAAW | 2009-2010 | 345 |
| NCAAW | 2008-2009 | 345 |
| NCAAW | 2007-2008 | 339 |
| NCAAW | 2006-2007 | 335 |
| NCAAW | 2005-2006 | 332 |
| NCAAW | 2004-2005 | 328 |
| NCAAMD3 | 2024-2025 | 402 |
| NCAAMD3 | 2023-2024 | 405 |
| NCAAMD3 | 2022-2023 | 403 |
| NCAAMD3 | 2019-2020 | 402 |
| NCAAMD3 | 2018-2019 | 398 |
| NCAAMD3 | 2016-2017 | 401 |
| NCAAMD2 | 2024-2025 | 295 |
| NCAAMD2 | 2023-2024 | 297 |
| NCAAMD2 | 2022-2023 | 296 |
| NCAAMD2 | 2019-2020 | 303 |
| NCAAMD2 | 2018-2019 | 303 |
| NCAAMD2 | 2016-2017 | 307 |
| NCAAM | 2026-2027 | 365 |
| NCAAM | 2025-2026 | 365 |
| NCAAM | 2024-2025 | 364 |
| NCAAM | 2023-2024 | 362 |
| NCAAM | 2022-2023 | 363 |
| NCAAM | 2021-2022 | 358 |
| NCAAM | 2020-2021 | 344 |
| NCAAM | 2019-2020 | 353 |
| NCAAM | 2018-2019 | 353 |
| NCAAM | 2017-2018 | 351 |
| NCAAM | 2016-2017 | 351 |
| NCAAM | 2015-2016 | 351 |
| NCAAM | 2014-2015 | 351 |
| NCAAM | 2013-2014 | 351 |
| NCAAM | 2012-2013 | 347 |
| NCAAM | 2011-2012 | 345 |
| NCAAM | 2010-2011 | 344 |
| NCAAM | 2009-2010 | 344 |
| NCAAM | 2008-2009 | 344 |
| NCAAM | 2007-2008 | 337 |
| NCAAM | 2006-2007 | 332 |
| NCAAM | 2005-2006 | 330 |
| NCAAM | 2004-2005 | 326 |
| NBA | 2024-2025 | 30 |
| NBA | 2023-2024 | 30 |
| NBA | 2022-2023 | 30 |
| NBA | 2021-2022 | 30 |
| NBA | 2020-2021 | 30 |
| NBA | 2019-2020 | 30 |
| NBA | 2018-2019 | 30 |
| NBA | 2017-2018 | 30 |
| NBA | 2016-2017 | 30 |
| NBA | 2015-2016 | 30 |
| NBA | 2014-2015 | 30 |
| NBA | 2013-2014 | 30 |
| NBA | 2012-2013 | 30 |
| NBA | 2011-2012 | 30 |
| NBA | 2010-2011 | 30 |
| NBA | 2009-2010 | 30 |
| NBA | 2008-2009 | 30 |
| NBA | 2007-2008 | 30 |
| NBA | 2006-2007 | 30 |
| NBA | 2005-2006 | 30 |
| NBA | 2004-2005 | 30 |
| NBA | 2003-2004 | 29 |
| NBA | 2002-2003 | 29 |
| NBA | 2001-2002 | 29 |
| NBA | 2000-2001 | 29 |
| NBA | 1999-2000 | 29 |
| NBA | 1998-1999 | 29 |
| NBA | 1997-1998 | 29 |
| NBA | 1996-1997 | 29 |
| GLEAGUE | 2024-2025 | 31 |
| GLEAGUE | 2023-2024 | 31 |
| GLEAGUE | 2022-2023 | 30 |
| GLEAGUE | 2021-2022 | 28 |
| GLEAGUE | 2020-2021 | 18 |
| GLEAGUE | 2019-2020 | 28 |
| GLEAGUE | 2018-2019 | 27 |
| GLEAGUE | 2017-2018 | 26 |
| GLEAGUE | 2016-2017 | 22 |
| GLEAGUE | 2015-2016 | 19 |
| GLEAGUE | 2014-2015 | 18 |
| GLEAGUE | 2013-2014 | 17 |
| GLEAGUE | 2012-2013 | 16 |
| GLEAGUE | 2011-2012 | 16 |
| GLEAGUE | 2010-2011 | 16 |
| GLEAGUE | 2009-2010 | 16 |
| GLEAGUE | 2008-2009 | 16 |
| GLEAGUE | 2007-2008 | 14 |
| GLEAGUE | 2006-2007 | 12 |
| GLEAGUE | 2005-2006 | 8 |
| GLEAGUE | 2004-2005 | 6 |
| EUROLEAGUE | 2024-2025 | 18 |
| EUROLEAGUE | 2023-2024 | 18 |
| EUROLEAGUE | 2022-2023 | 18 |
| EUROLEAGUE | 2021-2022 | 18 |
| EUROLEAGUE | 2020-2021 | 18 |
| EUROLEAGUE | 2019-2020 | 18 |
| EUROLEAGUE | 2018-2019 | 16 |
| EUROLEAGUE | 2017-2018 | 16 |
| EUROLEAGUE | 2016-2017 | 16 |
| EUROLEAGUE | 2015-2016 | 24 |
| EUROLEAGUE | 2014-2015 | 24 |
| EUROLEAGUE | 2013-2014 | 24 |
| EUROLEAGUE | 2012-2013 | 24 |
| EUROLEAGUE | 2011-2012 | 24 |
| EUROLEAGUE | 2010-2011 | 24 |
| EUROLEAGUE | 2009-2010 | 24 |
| EUROLEAGUE | 2008-2009 | 24 |
| EUROLEAGUE | 2007-2008 | 24 |
| EUROCUP | 2024-2025 | 20 |
| EUROCUP | 2023-2024 | 20 |
| EUROCUP | 2022-2023 | 20 |
| EUROCUP | 2021-2022 | 20 |
| EUROCUP | 2020-2021 | 24 |
| EUROCUP | 2019-2020 | 24 |
| EUROCUP | 2018-2019 | 24 |
| EUROCUP | 2017-2018 | 24 |
| EUROCUP | 2016-2017 | 20 |
| EUROCUP | 2015-2016 | 44 |
| EUROCUP | 2014-2015 | 44 |
| EUROCUP | 2013-2014 | 56 |
| EUROCUP | 2012-2013 | 32 |
| EUROCUP | 2011-2012 | 32 |
| EUROCUP | 2010-2011 | 32 |
| EUROCUP | 2009-2010 | 32 |
| EUROCUP | 2008-2009 | 32 |
| EUROCUP | 2007-2008 | 54 |