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Statistical To-Do List


I have a never-ending list of statistical measures that I've promised to put on the site.  If there's anything from Behind the Net that needs to be fixed or improved, please add a comment.

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ESPN Shooting reports

I need to add a combined 2005-09 shooting stats tab.

by Hawerchuk on Sep 30, 2009 8:39 PM EDT reply actions   0 recs

Game Reports

I need to add individual game reports in the same style as on the Sabres pages.

by Hawerchuk on Oct 8, 2009 8:36 PM EDT reply actions   0 recs

Team Corsi and Zone Starts, and possible Filter for Game State (i.e. - score)?

Gabe, the new Corsi and Zone Start info for individual players is fantastic. Any way you could easily list an overall team Corsi and Zone Start number somewhere? (Either on the main Team TOI page or on the individual Corsi/ZS reports?)

Also, I know I asked you about the date filter and you said it was kind of a pain in the ass, what about a filter for Game Score? (I.e. – If I wanna look at what a team/player did only when the score was tied, up by one goal, down by two goals, etc.)

your site just keeps getting better and better. keep up the great work!

by sunnymehta.com on Oct 10, 2009 3:47 PM EDT reply actions   0 recs

The first part is fairly easy to do, but I think I’d have to put it on an “advanced team stats” page somewhere. The main team stats page comes from a different source that’s more accurate, and I wouldn’t want to muddle it with the stuff that’s derived from multiple databases.

I’ll try to figure out what I need to do to split the reports by game score. I’m definitely running up against my 500k limit…

by Hawerchuk on Oct 10, 2009 4:50 PM EDT up reply actions   0 recs

From Derek Zona: "I don’t know how to go about this, but being that a portion of us have
to defend Horcoff on a daily basis, it’s made me take a couple of
cursory looks at replacement players in general, but more
specifically, specific replacement categories. Given Horcoff’s
qualcomp and zonestart, what is expected CORSI, GF/GA, shots, points,
if you replace him with a “1st line center”, what happens if you
replace him with a “replacement player”, what happens if you replace
him with a “tough minutes” center?

Then take that individual replacement value and fold it back into the team."

by Hawerchuk on Oct 13, 2009 12:06 PM EDT reply actions   0 recs

Tyler Bleszinski: “You might have already done this, but does the NHL keep track of the number of who is best in the league at deflections, even if it doesn’t go in?”

by Hawerchuk on Oct 13, 2009 12:07 PM EDT reply actions   0 recs

Tyler, it’s in the pipe for Monday.

by Hawerchuk on Oct 28, 2009 8:03 PM EDT up reply actions   0 recs

JP: “This isn’t team-specific, but I’ve always been interested in trying to quantify forechecking. Dirk helped me out with some data last year, and I put together a post on it, but it was an incomplete effort.
 
Granted, giveaways and takeaways are very subjective stats, but if they could be normalized and then you figured out which forwards were on the ice for the most offensive zone takeaways and giveaways by opponents in the D-zone, I’d think the list would be a decent indicator of who the best forecheckers are (or at least among teams that actually, y’know, forecheck). The flips side of this would be which D’s a coughing up the puck the most when under pressure (d-zone giveaways and opponents’ O-zone takeaways).”

by Hawerchuk on Oct 13, 2009 12:07 PM EDT reply actions   0 recs

Matthew Gunning:

1) Penalty Killing. Is this a function of the skill of the players or is it largely random or perhaps a function of team strategy. Are certain players consistently good at this even when they switch teams?

2) Effect of a PK going to the box. I did a post on “costly penalties” a couple of years ago. J.P. read my post and noted that it seemed like whenever a member of the Thrashers PK unit took a penalty the opposition was more likely to score. Sure enough that is the case, the opposition PK% rose to something like 25% when an Atlanta PKer went to the box. I’d love to see a breakdown of this for the entire NHL—but it requires coding each penalty by player and whether that player is a PK regular on his team.

3) Why do teams improve on defense from one season to another? Is it better goaltending, turnover in defensmen, a new coach, etc.

4) Most teams have 2 PP units. Is there a big drop off between the 1st unit and the 2nd one? This would be tough to code, but it is an interesting question.

by Hawerchuk on Oct 13, 2009 12:08 PM EDT reply actions   0 recs

Which teams get scored on the most in the first 90 seconds of a period? Last 90 seconds? 90 seconds after a goal?

by Hawerchuk on Oct 13, 2009 12:10 PM EDT reply actions   0 recs

1) Leafs
2) Leafs
3) Leafs

Glad I could help!

by Godd Till on Oct 14, 2009 7:37 PM EDT up reply actions   1 recs

Rec’d

Pension Plan Puppets*
* Blog contains less than 2% puppet content by weight.

by Chemmy on Oct 14, 2009 7:54 PM EDT up reply actions   0 recs

It would be nice if there was a way to filter by more than Team, position, and TOI. Even if it was unwiedly, like each player had a unique number assigned and you could type those numbers into a form it would be nice to be able to compare whichever players you wanted directly. Maybe an option to turn columns on or off in the stats too?

Pension Plan Puppets*
* Blog contains less than 2% puppet content by weight.

by Chemmy on Oct 14, 2009 7:53 PM EDT reply actions   0 recs

One thing I’d like to see is the variance in SV% from year to year in goalies, to see what the luck factor is. Although maybe for sample size reasons, split it into variance from 1000 shots to the next 1000 shots or something like that.

by Moneypuck on Oct 17, 2009 9:56 PM EDT reply actions   0 recs

Didn’t Tyler Dellow already do that?

by Hawerchuk on Oct 18, 2009 3:00 AM EDT up reply actions   0 recs

I’m not sure, its a big internet :)

by Moneypuck on Oct 19, 2009 10:53 AM EDT up reply actions   0 recs

+/- adjustments

Gabe, kudos to you for behindthenet.ca; it’s an excellent site.

One question: I understand the whys and hows of the “On-Ice/Off-Ice +/-”, but the hows of the “Strength of Teammates” calculation elude me (and the link to http://www.behindthenet.ca/qual_team.html seems not to work). Please describe your methodology — we do not flinch from detail!

by MinorLeaguer on Oct 21, 2009 5:53 PM EDT reply actions   0 recs

Thank you! At the next level of detail, I wonder: have you devised a methodology to adjust a player’s Basic +/- (or On-Ice/Off-Ice +/-, for that matter) for Strength of Teammates and/or Strength of Opposition, so as to devise The One True All-Seeing All-Knowing +/- statistic? (And… what part of this methodology, if any, could you apply if you didn’t have TOI and shift chart data?)

by MinorLeaguer on Oct 22, 2009 9:29 PM EDT up reply actions   0 recs

Home and Away Breakdowns?

Hi,

My question pertains to home and away breakdowns: is it possible to separate quality of competition, rating, etc.? If so, is it feasible?

I’m just curious about coaches and their tendency to match up against the top lines. I guess a better question is, do you think that would have any added value over the current overall measure?

Thanks,
Neil

by NTB on Oct 22, 2009 7:54 PM EDT reply actions   0 recs

Heads Up

Comments on this post will close in a two days.

You’ll have to re-open them or put up another post.

Loving the site.

Pension Plan Puppets: A Toronto Maple Leafs blog and a group therapy session.

by PPP on Oct 30, 2009 1:04 AM EDT reply actions   0 recs

Gabe,

I was curious how difficult it would be to add a function on your BtN site to look at only a certain segment of dates. So for example, I could look at how the QoC and Corsi results played out for the Oilers in 2008-09 before and after Visnovsky was injured. This year I could look at Frolov’s performance in LA in the two weeks before and two weeks after he was benched by Terry Murray. Etc., etc. Is this a reasonable request or is it way too much work?

by Scott Reynolds on Oct 30, 2009 10:54 AM EDT reply actions   0 recs

see Sunny’s question about. The way I’ve designed the database, you end up with massive files that are larger than the limit on my web host. I don’t think there’s a way to fix this – there’s just too much data to show.

I am going to move to a new web host at the end of the season, so I can take a look at it then.

by Hawerchuk on Nov 1, 2009 4:38 PM EST up reply actions   0 recs

Thanks Gabe. Sorry for the repeat question.

by Scott Reynolds on Nov 2, 2009 11:12 AM EST up reply actions   0 recs

Gabe,

any way you could easily add goalies to the currently existing Corsi Reports. that would be an easy way for us to have access to every goalie’s save percentage w/missed shots included (since obviously his on-ice SV% would be his own SV%), as well as a good proxy for each team’s corsi. (since the goalie is basically on ice for the whole game minus empty net situations).

by sunnymehta.com on Nov 13, 2009 2:09 PM EST reply actions   0 recs

I can add Corsi to the goalie reports instead…Does that work?

by Hawerchuk on Nov 14, 2009 12:35 AM EST up reply actions   0 recs

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