Fantasy: So far, so good. Regression predictions 95% accurate

On November 3rd, I posted an article called ‘The wonderful world of regression‘. In the piece, I studied touchdown rates of all NFL offensive players. From there, I picked out TD rates that were usually high and low and predicted that they'd regress going forward. The NFL regular season is far from over, but one month in, the results are almost perfect. A whopping 21 of the 22 (95%) predictions made have come true. The results are in the chart below, but be sure to check out the original article for analysis of each player.

Player Stat Then Expected Now
Michael Turner Car 2.3% 4.0% 3.1%
Ryan Fitzpatrick Pass 6.8% 3.8% 5.8%
Lee Evans Rec 15.4% 10.0% 11.8%
Steve Johnson Rec 20.0% 10.0% 15.3%
Matt Forte Tou 5.2% 2.6% 3.5%
Felix Jones Tou 0.0% 3.4% 0.7%
Miles Austin Rec 4.7% 8.0% 9.6%
Roy Williams Rec 22.7% 14.0% 15.6%
David Garrard Pass 8.7% 4.3% 6.8%
Marcedes Lewis Rec 28.0% 14.0% 21.1%
Maurice Jones-Drew Car 0.6% 3.0% 1.7%
Dwayne Bowe Rec 28.6% 12.0% 24.1%
Jamaal Charles Tou 1.7% 3.0% 2.1%
Thomas Jones Tou 2.5% 3.0% 2.7%
Ronnie Brown Car 1.1% 3.0% 2.1%
Ricky Williams Car 1.3% 2.5% 1.8%
Brandon Marshall Rec 2.1% 8.0% 1.7%
Aaron Hernandez Rec 0.0% 6.0% 8.3%
Jeremy Maclin Rec 20.0% 12.0% 15.7%
Antonio Gates Rec 22.5% 14.0% 20.5%
Kellen Winslow Rec 0.0% 8.0% 4.3%
Vince Young Pass 7.4% 4.7% 6.4%

As you can see, the only player who has failed to regress is Brandon Marshall, who has struggled to score touchdowns in a porous Miami Dolphins offense. Still, the season has yet to conclude, which there is still time for Marshall to bounce back. Check back after the season for a full recap and analysis of the original regression piece.

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