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This xG nonsense


Perryqhill said:
I think they clubs get ones with more depth and accuracy, but pay a lot more than the stuff that's chucked on the net for free.

Hence using stuff like footmob as a base for any sort of debate is just daft.
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Exactly this.

The information available to clubs is far more indepth, and doesn't leave the information as open to interpretation as blanket info like xG or xGA.
 
It's an indication of general goal threat.. not your league position as that would be ignoring your defence which in our case is our biggest strength.
We've the second lowest xG in the league and it's not far off as only 3 teams have scored less than us.. away from home only Wolves have scored less. So the xG does related close enough to the actual goal stats as much as people may want to give out about it.
 
After defending this to the teeth, largely because people are misinterpreting the correct use cases, I’m flipping to the other side. How was brobbeys goal only 0.09?! How was Davies only 0.46 for that matter?!
 
I think Opta should compile a league table based on who's going the most jogging in matches. BBC website always brings that up in their match coverage, I assume it's significant in some way
 
Cockney Mackem said:
I think Opta should compile a league table based on who's going the most jogging in matches. BBC website always brings that up in their match coverage, I assume it's significant in some way
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That seems to be one of the data sets hidden behind the paywall

Fotmob and Sofascore started the season saying they were sharing it on their platforms but seem to have stopped after 3 games

Disappointing and it would be interesting
 
woodlebert said:
Have you checked what the fotmob definition of a big chance is?
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Why do I need to check it?
Anyone who knows anything about football knows that’s a big chance. If someone wants to create some bllx criteria to define it so the stats suit their purpose then it’s pointless.
As Perry pointed out. The club will have accurate stats
woodlebert said:
Have you checked what the fotmob definition of a big chance is?
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a high-quality scoring opportunity where a player should reasonably score, such as a one-on-one, close-range shot with a clear path, or a penalty, indicating a high Expected Goals (xG) situation


I don’t even know why I’m biting to your post.
 
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SuperKevsLeftBoot said:
Why do I need to check it?
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Because you have to understand what the criteria for a "big chance" is on their records before you can get annoyed that it's not listed as a big chance
SuperKevsLeftBoot said:
a high-quality scoring opportunity where a player should reasonably score, such as a one-on-one, close-range shot with a clear path, or a penalty, indicating a high Expected Goals (xG) situation
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Yes so in this instance I would say the keeper's position, it being on his left foot, and the position of Porro are why it's not a 'big chance'
 
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The Beautiful Game said:
After defending this to the teeth, largely because people are misinterpreting the correct use cases, I’m flipping to the other side. How was brobbeys goal only 0.09?! How was Davies only 0.46 for that matter?!
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Agree, the black box nature of how it's calculated is frustrating and doesn't help things like this thread. I get the theory, but the detail is lacking.

(I may be wrong, but there's no really clear, detailed breakdown of how anyone factually calculates xG that I can find. Happy to be proved wrong)
 
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