NET is AFU

NET is AFU

Postby Wayne23 » Sun May 16, 2021 1:54 pm

In my current association I am coaching UMass-Lowell. As of 11/27 we're 4-0, having played 3 teams rated 1/2 star, and one 1 star. We are #2 in the nation in NET. Maybe this is just "early season not enough info," but it makes no sense. I'll report when I'm further into the association. All of our pre-conf. opponents are either 1/2 star or 1 star.
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Re: NET is AFU

Postby Wayne23 » Sun May 16, 2021 4:21 pm

Got to 6-0, but dropped to #28. Then we lost 2 in a row and are currently (12/12) at #158.
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Re: NET is AFU

Postby TripLykely » Sun May 16, 2021 7:44 pm

Wayne23 wrote:In my current association I am coaching UMass-Lowell. As of 11/27 we're 4-0, having played 3 teams rated 1/2 star, and one 1 star. We are #2 in the nation in NET. Maybe this is just "early season not enough info," but it makes no sense. I'll report when I'm further into the association. All of our pre-conf. opponents are either 1/2 star or 1 star.


Net Rating is an efficiency metric combining offensive and defensive rating. Those ratings are points/possession scored and allowed respectively multiplied by 100. The Net Rating is calculated by adding the how much above 100 the offensive rating is with how much below 100 the defensive rating is. A 110 offense and 90 defense is a 20 Net Rating (110-100+100-90=20). There is some rounding so sometimes in game it's off by .1. Because it's an efficiency metric its prone to inflation with small sample sizes, so that's why when you beat up on cupcakes your rating was so high.

(side note, you can pretty accurately predict final scores using those three numbers in game and real life)
Last edited by TripLykely on Sun May 16, 2021 10:35 pm, edited 1 time in total.
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Re: NET is AFU

Postby PointGuard » Sun May 16, 2021 9:31 pm

It also takes into account the strength of the opponent, scoring margin, and location of the game (home, away, neutral). So whipping up on cream puffs shouldn't have resulted in such a good NET.
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Re: NET is AFU

Postby Wayne23 » Sun May 16, 2021 9:37 pm

I'm 11-4, 5-2 in the America East and my NET is currently #48. As I said, a fix is in order. Not a critical thing, I suppose but it has an effect on tournament seedings for one thing.
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Re: NET is AFU

Postby TripLykely » Sun May 16, 2021 10:14 pm

Wayne23 wrote:I'm 11-4, 5-2 in the America East and my NET is currently #48. As I said, a fix is in order. Not a critical thing, I suppose but it has an effect on tournament seedings for one thing.


There is confusion here conflating Net Rating with NET (NCAA Evaluation Tool). The Net rating is as I described above; Net Rating = (Offensive Rating-100)+(100-Defensive Rating). You can verify this by doing the math on your insights page. It works correctly but because it only displays tenths rounding takes place.

Image

PointGuard wrote:It also takes into account the strength of the opponent, scoring margin, and location of the game (home, away, neutral). So whipping up on cream puffs shouldn't have resulted in such a good NET.


What you're speaking to is the NET (NCAA Evaluation Tool) which uses Adjusted Net Efficiency and Team Value Index. The Adjusted Net takes into account strength of opponents and location of games while the TVI is an algorithm based on opponent, location, and winner. Net Rating, as displayed on the Insights page in game, is an efficiency metric as explained above.

When you look at the Team Sheet you see four quadrants where your games are placed. In each quadrant you can see the criteria for entry and will notice there is a range for home, neutral, and away games. What the game is doing is using the Net Rating efficiency metric to place teams in quadrants based on location of the game. Behind the scenes a calculation is done weighting losses and wins according to quadrant and determining strength of schedule, adjusted Net rating, and poll results.

Image

(Edit: some of the confusion is the all caps formatting, on the Insights page it would read Net Rating whereas it’s being confused with NET (NCAA Evaluation Tool)
Last edited by TripLykely on Sun May 16, 2021 10:55 pm, edited 1 time in total.
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Re: NET is AFU

Postby Wayne23 » Sun May 16, 2021 10:46 pm

My Off Rat is 108.8, Def Rat is 95.4. That should equal 13.4. My NET is 39.
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Re: NET is AFU

Postby TripLykely » Sun May 16, 2021 10:50 pm

Wayne23 wrote:My Off Rat is 108.8, Def Rat is 95.4. That should equal 13.4. My NET is 39.


Which screen? Your Net rating on Insights page or Net ranking? I'm 100% positive in my previous replies, can add some links if necessary.

Net Rating - https://www.pivotanalysis.com/post/net- ... ns%20basis.
NCAA Evaluation Tool (NET) - https://www.ncaa.com/news/basketball-me ... eplace-rpi
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Re: NET is AFU

Postby Wayne23 » Sun May 16, 2021 11:02 pm

Both are 39.
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Re: NET is AFU

Postby TripLykely » Sun May 16, 2021 11:04 pm

Wayne23 wrote:Both are 39.


Can you share a screenshot? The confusion has me looking at saves/videos and they are all as I describe
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