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2019 FEI and PPD Data
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<blockquote data-quote="ibeattetris" data-source="post: 651515" data-attributes="member: 1175"><p>I don't disagree with the premise of your post, but this particular statement "which is to score more points against your opponent, not rack up PPD" seems to indicate I didn't explain myself clearly. I was mentioning "Net PPD" for determining strength and by Net PPD I mean "offense ppd minus defense ppd". Since as you correctly state, the object is to score more than the opponent, then having a higher offensive a higher net ppd would be indicative of strength (the same way margin of victory indicates strength, but Net ppd adjust margin of victory to become a drive based stat).</p><p></p><p>"Points on the scoreboard matter. Points per drive do not."</p><p>Dividing points by the number of drives is just a way to normalize the data to help compare teams across games. I will try an example to explain.</p><p></p><p>In game 1. GT scores 21 points. The offense had the ball 10 times.</p><p>In game 2 GT scores 21 points. The offense had the ball 15 times.</p><p></p><p>If you only determine strength by total points, these two games would be counted the same, but the offense in game 2 scored the same number of points while needing 50% more possessions. I cannot imagine a scenario where you would prefer game 2 over game 1. This is only the offense of course, and defense plays a roll as well. If in game 1 the defense craps the bed and gives up 30, but in game two they give up 20, then of course we want game 2's result since it's a team game. But taking the offense in isolation, you would have to say game 1 is better offense in this example.</p><p></p><p>I hope that explains the thought process behind this.</p></blockquote><p></p>
[QUOTE="ibeattetris, post: 651515, member: 1175"] I don't disagree with the premise of your post, but this particular statement "which is to score more points against your opponent, not rack up PPD" seems to indicate I didn't explain myself clearly. I was mentioning "Net PPD" for determining strength and by Net PPD I mean "offense ppd minus defense ppd". Since as you correctly state, the object is to score more than the opponent, then having a higher offensive a higher net ppd would be indicative of strength (the same way margin of victory indicates strength, but Net ppd adjust margin of victory to become a drive based stat). "Points on the scoreboard matter. Points per drive do not." Dividing points by the number of drives is just a way to normalize the data to help compare teams across games. I will try an example to explain. In game 1. GT scores 21 points. The offense had the ball 10 times. In game 2 GT scores 21 points. The offense had the ball 15 times. If you only determine strength by total points, these two games would be counted the same, but the offense in game 2 scored the same number of points while needing 50% more possessions. I cannot imagine a scenario where you would prefer game 2 over game 1. This is only the offense of course, and defense plays a roll as well. If in game 1 the defense craps the bed and gives up 30, but in game two they give up 20, then of course we want game 2's result since it's a team game. But taking the offense in isolation, you would have to say game 1 is better offense in this example. I hope that explains the thought process behind this. [/QUOTE]
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