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This is the twenty-fourth post of Deke Dangle RPF Anon, a community for all your ice hockey anon meme needs.

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Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I disagree on both counts. Two one-goal games decided late, and you think the Pens are gonna sweep the Sharks?

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
na

Yeah, I don't think so. I'm not sure it's going to seven, but I definitely don't see a sweep.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

Yeah, not even vastly overmatched teams this playoffs have gotten swept, not sure why two close games suggests it'll happen to the Sharks.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
The Pens were way better than the Sharks in both games. Despite the close score, it never felt like the Sharks had a chance.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
The Pens also pretty consistently outplayed the Lightning and that series still went to 7...

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

The Pens have definitely been mostly the better team over two games, but it's silly to think that the Sharks, a good team, won't make adjustments and push back playing at home. And with the way that Jones was playing and some of the chances the Sharks were getting, I definitely wouldn't say it felt like they had no chance when the games were tied.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I don't think it's going to be a sweep, but the Penguins have outplayed the Sharks by a LOT. The score doesn't reflect that but the possession stats do. This could be a sweep if the Penguins can learn to finish and their PP gets going.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Well, that would be amazing for me a Pens fan in Norcal.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Penguins dominated in shot based possession stats, but interestingly xG at least in Game 2 was much closer: Sharks 1.8, Pens 2.1. (Also interestingly, the only playoff result not predicted by the xG model was Islanders over Panthers; @DTMAboutheart's model's playoff rankings: https://twitter.com/DTMAboutHeart/status/738192577996804100.)

Even if the Sharks don't manage to gain the upper hand in possession at some point during the series, I could definitely see the Pens losing a couple despite numerically outshooting their opposition. I wouldn't die of shock if they swept, but Games 1 and 2 don't make me think it's really in danger of happening.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I hope that after the playoffs someone will make a detailed post about how different prediction models fared.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I'd love to see that! The chart that got posted to meme earlier with the models' predictions versus the pundits' predictions had the models in order of how they've fared so far, and @DTMAboutheart's is third. I believe the two above him also have only been "wrong" on one each, but the rankings reward/punish the "confidence" of the model (so a model that predicted 60/40 Sharks vs Blues ranks gets more credit than one that predicted 51/49).

@IneffectiveMath made a good point the other day though that the models are not really predicting winners, they are predicting probabilities. It seems a little unfair to say a model predicted "wrong" if something happened that the model said had a 45% percent chance of happening.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Yeah, that's why I would want a post like that to include things like PDO, take a closer look at series where there was less agreement or the outcome was different than expected by most and maybe try to explain why, things like that. I'm not sure if all people with stats-based models on Twitter have disclosed which metrics they've included, but it could be very interesting.

Were there this many models for last year's playoffs? I don't remember them, but I was less active on Twitter back then.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

I'd love if someone would do that. A lot of analytics folks' twitters and blogs have some information about what their models take into account and privilege, so even if none of them make a big detailed post comparing all the models, we could possibly try it ourselves on meme. With the caveat that I am really not a fan of looking at PDO in the playoffs and especially in the context of a single series, where PDO is a zero sum game and basically just amplifies the difference between save percentages: the team with the higher sv will always have the higher PDO.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
the team with the higher sv will always have the higher PDO.


To be more precise, the team with the higher save percentage will always have PDO > 100 while the team with the lower save percentage will always have PDO < 100.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

I said PDO when I really meant SV%, I forgot that shooting percentage only includes shots that reach the goal.
Related, if anyone knows of a good article about the differences between looking at shots on goal and shot attempts and what kind of shots are included, please let me know.

Re: Game Day Thread: June 1, 2016

- From: (Anonymous) - Date: 2016-06-02 07:44 pm (UTC) - Expand

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Wow, that's amazing. Looks like the Kings, Preds and Blues just got hosed being matched-up against the Sharks when they were all so high. Did he ever post his model before the playoffs started?

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I'm depressed all over again about Preds v Sharks 😞

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

Yeah, before the playoffs, he posted a series of graphs with his model's predictions for each team's probability of winning each round:

https://twitter.com/DTMAboutHeart/status/720260336125874176

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Ah.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
Interestingly (though surely not coincidentally), that top five also corresponds to top five Fenwick in last 20 regular season GP (although not in the same order): https://pbs.twimg.com/media/Cj_B6ItUgAArAM7.jpg.

Makes me wonder about what inputs the different models use. @shane1342o's model, which has been the most successful so far, clearly with some different metrics -- he said he had the winner of Pens/Caps as the cup favorite, whereas @DTMAboutheart had Caps ranked 11th, behind all the teams faced by the Sharks.

Would there actually be wider interest on meme in the kind of post another anon mentioned, comparing the different stats models in detail? I don't want to do it and clog up meme if no one cares, but I'm pretty curious now.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
na

No, please, go ahead. I failed out of following the stats community on twitter in a fit of pique sometime during the season, so I haven't seen any of their stuff.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
sa

Sorry @DTMAbourheart with Caps 7th, not 11th

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I would love to see such a post, nonnie.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
ayrt

Cool, it seems like there's at least three of us, so yay! I might not have time to do all of it, but I'll try to post after the playoffs are over, in a separate thread so people can ignore it if they don't care.

Re: Game Day Thread: June 1, 2016

From: (Anonymous)
I would be very interested in reading that!

Feels kind of old skool fandom. Reminds me of how there used to be a website that would track all the various sources of Buffy spoiler leaks over the course of the season and analyze which places ended up being more trustworthy regarding what happened on the show.