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“First Eight”, “or” positions, and “and” positions.
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<blockquote data-quote="slugboy" data-source="post: 861094" data-attributes="member: 282"><p>The stat source doesn’t look like it has garbage time factored out—I mentioned that in the post.</p><p></p><p>It measures how well you do vs where you are. If it’s first and 20 from your own one yard line and you go the distance in one play, you get more points added than if you go one yard on first and goal.</p><p></p><p>Here’s the official definition from <a href="https://collegefootballdata.com/glossary" target="_blank">https://collegefootballdata.com/glossary</a></p><p></p><p></p><p>Expected Points Added (EPA) uses Expected Points to measure the outcome of a play. It takes the EP value from the beginning of a play (e.g. 2nd and 5 at the 50) and subtracts it from the EP value resulting from the play (e.g. rush for 10 yards results in 1st and 10 from the 40).</p><p></p><p>Predicted Points (PP) are the same thing as Expected Points. There are various different models used to calculate EP. Predicted Points is this site's own custom EP model.</p><p></p><p>Predicted Points Added (PPA) is the same thing as EPA. There are various different models for calculating EPA and EPA. PPA uses this site's custom EPA model.</p></blockquote><p></p>
[QUOTE="slugboy, post: 861094, member: 282"] The stat source doesn’t look like it has garbage time factored out—I mentioned that in the post. It measures how well you do vs where you are. If it’s first and 20 from your own one yard line and you go the distance in one play, you get more points added than if you go one yard on first and goal. Here’s the official definition from [URL]https://collegefootballdata.com/glossary[/URL] Expected Points Added (EPA) uses Expected Points to measure the outcome of a play. It takes the EP value from the beginning of a play (e.g. 2nd and 5 at the 50) and subtracts it from the EP value resulting from the play (e.g. rush for 10 yards results in 1st and 10 from the 40). Predicted Points (PP) are the same thing as Expected Points. There are various different models used to calculate EP. Predicted Points is this site's own custom EP model. Predicted Points Added (PPA) is the same thing as EPA. There are various different models for calculating EPA and EPA. PPA uses this site's custom EPA model. [/QUOTE]
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