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re: Point Per Yard - The New Statistic No One Wants You To See (Updated)

Posted on 11/21/11 at 6:13 pm to
Posted by MountainTiger
The foot of Mt. Belzoni
Member since Dec 2008
14663 posts
Posted on 11/21/11 at 6:13 pm to
Nice work!

The same thing happened with the Saints in the 2009 season. The defense was getting so many turnovers that it appeared that the offense wasn't moving the ball very well. In reality, the offense was just getting the ball in really good field position quite often.
Posted by tigereye58
Member since Jan 2007
2668 posts
Posted on 11/21/11 at 6:14 pm to
Very good stats. Thanks for the time and effort.
Posted by Moots
Gonzales, LA
Member since Nov 2007
978 posts
Posted on 11/21/11 at 6:14 pm to
Nicely done....VERY Interesting!

Thanks for putting in the work.

Posted by WikiTiger
Member since Sep 2007
41055 posts
Posted on 11/21/11 at 6:14 pm to
Posted by eyepooted
Member since Jul 2010
5717 posts
Posted on 11/21/11 at 6:29 pm to
You sir are a gentleman and a scholar! The stats are much appreciated.
Posted by caliegeaux
Member since Aug 2004
10149 posts
Posted on 11/21/11 at 6:42 pm to
great work. I appreciate the time it took you to do this.
Posted by Big_Al_316
Mobile, AL
Member since Jan 2005
3137 posts
Posted on 11/21/11 at 7:01 pm to
quote:

Thins based off of total points including defensive scores. However due to the magnitude of work it would take to calculate points less defensive scores I kept this number as a constant assuming defensive scores were average. Even though LSU has had a pick 6 or two, the defense has not scored an overwhelming amount of points.


I would say that Defensive and ST scores should be included because it is also a measure of how good the D is and how it impacts the Offense.
Posted by LSUTigahBait
Baton Rouge, LA
Member since May 2009
1052 posts
Posted on 11/21/11 at 7:08 pm to
The new OP shows both with and without the defensive scores.
Posted by SwampDonks
Member since Mar 2008
18341 posts
Posted on 11/21/11 at 7:12 pm to
Good work
Posted by drizztiger
Deal With it!
Member since Mar 2007
37062 posts
Posted on 11/21/11 at 7:13 pm to
I'm going to analyze this and get back to you.

Which is what I do.

Awesome post.

Posted by WildTchoupitoulas
Member since Jan 2010
44071 posts
Posted on 11/21/11 at 7:22 pm to
Yeah, I don't know about this.

If a team gave up 300 points on 7500 yards, they would have the same ratio as LSU, 0.040 points per yard. I wouldn't consider that a great defense.

Also, whenever someone has criticized LSU for having a poor offense, I just point them to the 38 points per game scored - that's good enough for 14th in the country. If you take out defensive and special teams scores, it's still @ 35 ppg which would still be top 25.

Keep in mind too that not only does LSU have a top 25 rushing offense in the country, the passing efficiency is ranked 10th nationally.

Pretty much the ONLY offensive stat where LSU is substandard is passing offense.


Ball control offense. Disciplined, aggressive defense. Fundementally sound special teams.

That formula for winning hasn't changed since Knute Rockne called for the forward pass. If people don't like it, maybe they should just watch arena ball.
Posted by LSUTigahBait
Baton Rouge, LA
Member since May 2009
1052 posts
Posted on 11/21/11 at 7:25 pm to
quote:

If a team gave up 300 points on 7500 yards, they would have the same ratio as LSU, 0.040 points per yard. I wouldn't consider that a great defense.


Yeah, but that is an option, and no team has done it. Which is why the stat works. If there is ateam who could give up only 300 points on 7500 yards... they would be seen as just as good as LSU because they give up the exact same number of points to yards.
Posted by drizztiger
Deal With it!
Member since Mar 2007
37062 posts
Posted on 11/21/11 at 7:30 pm to
quote:

If a team gave up 300 points on 7500 yards, they would have the same ratio as LSU, 0.040 points per yard. I wouldn't consider that a great defense.
While this is certainly true, giving up 7500 yards and 300 points actually would be impressive (but also an anomaly) - bend but don't break?

In the limited scope of CFB teams, his premise has good merit. It's pretty simply the scoring effectiveness of an offense is a direct correlation to field position. That is not an unknown for football coaches, but sure the frick seems to be for CFG media analysts.
Posted by WildTchoupitoulas
Member since Jan 2010
44071 posts
Posted on 11/21/11 at 7:37 pm to
quote:

If there is ateam who could give up only 300 points on 7500 yards... they would be seen as just as good as LSU because they give up the exact same number of points to yards.

I disagree because the team allowing 300 points is allowing almost 30 ppg. Maybe they're allowing a lot of 99 yard drives.

But I see what you're saying, if LSU was allowing only 28 points in a game on 700 yards of offense, that wouldn't be terrible as far as points per yards, I still wouldn't call it a great defense though.

But really, only allowing 10 points per game, no matter how many yards a defense is allowing, is a good defense.
Posted by drizztiger
Deal With it!
Member since Mar 2007
37062 posts
Posted on 11/21/11 at 7:40 pm to
Understand what he did there.

He extrapolated the percentage. While certainly true, it doesn't really fit into the argument.
Posted by WildTchoupitoulas
Member since Jan 2010
44071 posts
Posted on 11/21/11 at 7:40 pm to
quote:

While this is certainly true, giving up 7500 yards and 300 points actually would be impressive (but also an anomaly) - bend but don't break?


It would look like the WVU game.

21 points/533 yards = 0.039 ppy.

While I appreciate the scheme used by LSU in that particular game, I think if every game of the season looked like that, you wouldn't think the defense was all that great.
Posted by drizztiger
Deal With it!
Member since Mar 2007
37062 posts
Posted on 11/21/11 at 7:43 pm to
quote:

While I appreciate the scheme used by LSU in that particular game, I think if every game of the season looked like that, you wouldn't think the defense was all that great.
Yet the final outcome would show that LSU won by 27 points?
This post was edited on 11/21/11 at 7:44 pm
Posted by MountainTiger
The foot of Mt. Belzoni
Member since Dec 2008
14663 posts
Posted on 11/21/11 at 7:49 pm to
You guys are both making good points and I think the answer is somewhere in the middle. I think the metric works well for relatively small values of total points. It seems not to hold as well for large point totals but that was a little bit of a pathological example too. I bet if you took the 25 teams with the lowest number of total points and then sorted them according to this metric, you'd have a pretty good list of top 25 defenses in order.
This post was edited on 11/21/11 at 7:52 pm
Posted by WildTchoupitoulas
Member since Jan 2010
44071 posts
Posted on 11/21/11 at 7:49 pm to
quote:

Yet the final outcome would show that LSU won by 27 points?

Now look at the NWSt game, 7 points on 133 yards. That's a ratio of 0.05 ppy, yet I think that was a better defensive effort than the WVU game that isn't indicated by the ppy stat.
Posted by Deathrider
Member since Aug 2010
3675 posts
Posted on 11/21/11 at 7:50 pm to
I bookmarked. As a big stats fan, I can appreciate the amount of work that this takes. This is a good metric.
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