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Harden has a better defensive RPM than Kawhi this year

Discussion in 'Houston Rockets: Game Action & Roster Moves' started by James.B.H, Jan 2, 2019.

  1. tinman

    tinman Contributing Member
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    Insecure fans
    Might as well say Clint Capela is a great three point shooter

    The only important thing about harden is that he makes the rockets legit contenders
     
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  2. ROXTXIA

    ROXTXIA Contributing Member

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    Weren’t teams using our switching schemes against us to draw Capela away from the basket?

    The team has been trying to address that, but maybe Capela’s defensive statistics are still sea-anchored by the sputtering start to the season.
     
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  3. topfive

    topfive CF OG

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    All true, but in the last minute of an important game, I'm just about as comfortable with Harden guarding on the perimeter as I am with Kawhi. And I'm MORE comfortable with Harden guarding someone in the paint.

    When Harden knows it's time to lock in, he's more than capable.
     
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  4. heypartner

    heypartner Contributing Member

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    It’s just a horrible stat. All individual defensive box score stats are.

    I mean, Kawhi is a 2016 DPOY, and a guy who won Finals MVP for he defense of Lebron.

    But not only do fans continue referencing this stat ... like this thread ... but we spend a lot of time defending their absolutely Gross errors. It’s so weird, we defend a stat no professional coach, GM or scout would ever recommend using.

    This isn’t even the first year defense stats got Kawhi wrong. Try his last full year, too. There was a thread in the Dish about this very same thing.

    Kawhi Leonard is so great at D, he's actually hurting the Spurs

    The entire premise of that article is some guy at CBSsports looking at a horrible stat, and deciding to use 3 gifs of Kawhi guarding Butler to try to make sense of what the defensive guru Popovich is doing with his DPOY, and saying it is bad defense,,,yet he opens the article saying there is nothing wrong with their record or team defensive rating.

    At the beginning of the article, just like OP here, he admits these individual defensive stats are not reliable, too. But he chooses them over Pops here.
     
    #44 heypartner, Jan 2, 2019
    Last edited: Jan 2, 2019
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  5. 34to11

    34to11 Member

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    Numbers NEVER lie.

    If the numbers don't support your programming, reject the programming not the numbers.
     
  6. Dr of Dunk

    Dr of Dunk Clutch Crew

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  7. elmotsangtt

    elmotsangtt Member

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    Rockets need to get 1st seed, otherwise they don't count harden
     
  8. heypartner

    heypartner Contributing Member

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    In the case of individual defensive stats, we do need to reject the programming (formulas), because the numbers are so horribly off with the eye test.

    No professional coach, GM or scout would ever recommend using DRPM to compare players, but fans feel some weird need to not only defend the Numbers, but also the programming that spat out that Kawhi is a negative defender. Lulz
     
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  9. dream2franchise

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    Everything on the line, I'm choosing Kawhi. :-D

    BUT...

    ...absolutely. When Harden gets isolated and eyes are on him. He can D up. That D he played on Kyrie on his step back three (even if Kryie buried the shot) was fantastic.
     
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  10. James.B.H

    James.B.H Member

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    Stats only show the summary of a player's performance over a period of time, but it can't evaluate a player's capability. Kawhi's capability to defend is among the best all time, but if you watch some of the Raptor's game this year, you can see how much he declined, performance-wise, on the defensive end this year, maybe due to just coming back from injury, maybe due to the overwhelming offensive load, maybe due to fitting into a new team.

    And that's my whole point, an award like MVP should be based on a player's performance, not what he can do(or what voters think he can do).

    Also, you can't just say a stat is horrible when it gets somebody wrong sometimes, you should call it imperfect. Kawhi was on the very top of the list(perimeter players) the two years he won DPOY, and last full year he was also pretty good. It's also highly correlated with DPOY and defensive team selections.
     
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  11. Sweet Lou 4 2

    Sweet Lou 4 2 Contributing Member
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    #51 Sweet Lou 4 2, Jan 2, 2019
    Last edited: Jan 2, 2019
  12. Sweet Lou 4 2

    Sweet Lou 4 2 Contributing Member
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    Kawhi's DRPM is not negative: https://www.basketball-reference.com/leagues/NBA_2018_advanced.html

    I think there is a difference between what ESPN is calculating and DRPM

    Also, the problem with these +/- scores is that a lot of it depends on the players you tend to be on the court with. It may be that other players on the raptors have a poor defensive game and that's dragging his down.
     
  13. James.B.H

    James.B.H Member

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    Using a single metric to compare players is dumb, even sophisticated fans won't make that mistake, nor to stay professions who are best at this business.
     
  14. heypartner

    heypartner Contributing Member

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    But, I contend it is *not* a "summary of a player's performance over a period of time". I contend individual defensive numbers aren't useful "stats" just because it is the result of a convoluted formula run on questionable data -- and we say, "Well, this is kinda the best we can do."

    No coach or scout would use boxscore data to measure individual defensive performance.

    The stat only 5yrs of rankings, so you can't really say this. There is actual subjectivity built into the math to do what you say.

    We don't need a stat to tell us who's best, and if you are using the rather large margin of error in the stat to make your final vote of 1st/2nd Team Defense, then that's a problem. -- ie, errors in the formula can become self-perpetuating, and get larger.

    Any correlation you see -- when we have very Gross errors (bad players way too high, good players way too low, complete nonsense for PG/SGs) -- is because key human-created coefficients in the formula are tweaked to match Eye Test, but then a lot of random stuff gets jumbled to create useless rankings. If left unchanged over time, if not continuously tweaked to match Eye Test (which is subjectivity), the stat can get completely detached from usefulness like PER did -- which I contend, it already is, and always has been.

    Thus, at best, it is a formula tweaked to match past subjective votes to rank current. And since we only have 5yrs to view its accuracy, well ...
     
  15. heypartner

    heypartner Contributing Member

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    It's not from Basketball Reference. They just get their PbP from BRef. It's a different stat. DBPM is not the same formula as DRPM.

    Yes it is.

    It's a different formula. And Basketball Reference's DBPM is probably even a worse ranking.
     
  16. heypartner

    heypartner Contributing Member

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    The professionals in this business who matter, coaches, scouts and GMs don't use these stats because they are useless rankings.

    But, have at it. I mean, I could argue NBA2K ratings are better. Why never talk about those?

    consider this: Sophisticated Football fans have far better approach to generating metrics for linemen and defenders. It's all EYE TEST per play...but tallied up. That's the best way. But NBA is not popular enough to quench our thirst for good scout-based defensive data, like the NFL has. So we run PbP data, and geeks tweak their coefficients to match past subjective history ... and we just shrug our shoulders to say, "Well, best we can do."​

    NFL fans have a much better way, and so do NBA scouts.
     
    #56 heypartner, Jan 2, 2019
    Last edited: Jan 3, 2019
  17. ThatBoyNick

    ThatBoyNick Member

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    Austin Rivers is one of the worst in DPRM, I think he put the nail in the coffin on that stat for me personally as he's been very impressive on defense.
     
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  18. heypartner

    heypartner Contributing Member

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    hey, @Bobbythegreat, don't you follow some NFL stat for linemen and defenders where some amateur (if not professional) scouts rate each play on how players perform their assignments, then they apply metrics using these per play scores over time. Can you address how that is done?
     
  19. Bobbythegreat

    Bobbythegreat Member
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    Probably what you are looking for is the Pro Football Focus stats, they are by far the most respected when it comes to these types of evaluations....even if I don't always agree with them 100% of the time.

    From here, I wrote a long reply that wasn't satisfactory when I re-read it before posting and then I remembered that I read an article on it so I'd rather let you read their own words about it than me doing a poor imitation of it.

    https://www.profootballfocus.com/news/pro-how-we-grade-offensive-and-defensive-linemen
     
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  20. heypartner

    heypartner Contributing Member

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    Thanks for article. Yeah, that's what I've seen you Texans fans talk about. The article doesn't really elaborate on who is scoring player performance on each play. Can you address that better?

    Sounds like many "scouts" are contributing for each play, to balance subjective differences in identifying the assignments. Who are these "scouts?" And do the GMs use this data? I read where someone is trying to re-package such per-play metrics to help GMs make trade/salary evaluations, too? Is that from PFF?
     

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