Old man MJ vs Old man Lebron

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AEnigma
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Re: Old man MJ vs Old man Lebron 

Post#81 » by AEnigma » Thu Aug 17, 2023 9:19 pm

Djoker wrote:
AEnigma wrote:I am “blaming” the choice to use disparate methodologies and then pretend they represent the same thing.

It is not possible to use identical methodologies when we don't have ON and OFF pace for Jordan. We are just using the overall Bulls playoff pace to compute the Jordan ON-OFF and that's also why we can't match the BRef data.


So what if you just used the overall playoff pace of Lebron’s teams. :blank:

Again, I am not pretending Jordan has more data. I am saying treat them equally. No specific pace for Jordan? Okay, then do not do a specific pace calculation for Lebron. Simple. Equal.

However the discepancies are extremely small.

For the 2021 playoffs BRef has Lebron's ON-OFF as +36.7 and PBP stats has it +36.9. Aren't you just splitting hairs here blaming BRef pace estimates and what not?

I am saying those differences compound because I know that pbp ends up with an estimate a full point higher than BRef across 2007-21 (and at that scale I doubt it is erased by including 2006 and 2023). You can even see it in that screenshot: every value from 2008-17 is to varying degrees higher than what is listed on Basketball-Reference.
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Re: Old man MJ vs Old man Lebron 

Post#82 » by lessthanjake » Thu Aug 17, 2023 9:27 pm

AEnigma wrote:
lessthanjake wrote:
AEnigma wrote:And by the way: there are two graphs with 1995. Ohayo even image posted both of them. That too evidently went ignored.

See, this is where we can see why deriving from these multi-year graphs is silly. I realize you’re right actually that there’s also that 1991-1996 data point on a graph in the video. And if I calculate using that (eyeballing it with a +8.7 on and +7 on-off), it gives us a +8.43 “off” value per 48 minutes instead of the +16.94 “off” value per 48 minutes that I’ve previously noted that I got using the other chart. Using those multi-year charts is evidently just a really flawed method—which is why I altered my methodology in the other thread to avoid using them (despite the fact that doing so actually hurt Jordan’s numbers).

Yeah no one is disputing that the margin for error is high on that, but you do not get to toss it out. The offer has been extended multiple times to take the lowest plausibly calculable negative bound (thus most favourable to Jordan), and you have declined.


Lol, I think you’ll find that I’ve actually provided numbers using the 1995 playoffs days ago and before anyone even started talking about it (and Jordan’s numbers still looked fantastic). And, as it turns out, I actually derived those numbers using an estimate that I now know is *by far* the worse of two estimates for the 1995 playoffs. I don’t understand what you’re complaining about. I’ve done data analysis for this using the 1995 playoffs. I’ve also caveated that the estimate for that uses a method we know to be *incredibly* inaccurate.

Anyways, if your position is that Basketball-Reference per-100-possessions on-off data is incorrect, then I think that’s a much broader discussion, since those numbers are widely accepted here. I’ve never seen anyone here dispute them except now that they make LeBron James’s on-off per 100 possessions look lower than what has been estimated for Michael Jordan.

You have been active for what, two months, and seem to dig up or rediscover established or previously rejected statistical markers every three days. It has been a known “issue” by people who pay attention, to the point that it is frequently necessary to specify sources for that data because of how much it differs.

It only stopped being an issue when it let you pretend there is some sizeable gap where there is none. :-? Usually there at least can be common ground in the data used: someone pulling from BRef will do so consistently, although someone who prefers taking numbers from NBA.com might prefer that when possible and it may make for a marked difference (and to be clear: there are objections to NBA.com too). However, we are not standing on common ground here, which is the core of my point and the one from which you have shied away. If you are confident in Jordan’s advantage, then it should not be a problem or a concern for you to treat them equally here, because you already know that Jordan’s advantage maintains even with 1995… right?


I think you’re largely complaining about a non-issue, to be honest. It’s not like we’re comparing per-48-minute numbers to per-100-possessions numbers. It’s not apples and oranges. I’m trying to get at the question of how well the Bulls did with Jordan on and off the court, per 100 possessions, which is the exact same question that Basketball Reference’s on-off data goes to.

The only inputs to the equation of on-off per 100 possessions are four things: (1) the +/- on the court; (2) the number of possessions on the court; (3) the +/- off the court; and (4) the number of possessions off the court. We can derive the +/- info from the Thinking Basketball video, and there should be no difference in how that’d be calculated by Ben Taylor or in the play by play data that Basketball Reference uses (except maybe how FTs are counted when someone subs in/out? Not a huge deal if so). So then the only difference would be in how the number of possessions on the court and off the court are calculated. As I understand it, Basketball Reference has an equation to determine possessions and they map that onto the play by play info to say how many possessions there were with someone on and off the court. Of course, for the Jordan stuff, there is no play by play data. So there’s no way to use that possession formula separately for what happened on and off the court. But we know from their pace estimate how many total possessions BBREF estimates there was, and I’m using that data. The only part of the equation that we’re missing here is distinguishing between how many of those total possessions Jordan was on the court for and how many he was off. To deal with that, I’m making an assumption that the Bulls, on average, played at the same pace with Jordan on and off the court. That allows us to get an estimate of the number of possessions on the court and the number of possessions off the court.

In other words, the only place where this differs from what Basketball Reference does is the assumption of equal pace on and off the court. It’s definitely a potential source of error (albeit likely not a large one), but then you say later in this post that you’re “not hung up on the pace differences.” So what are you hung up on? You say that there’s some “distinct process” I’ve used, but that’s not really the case aside from the equal-pace assumption. As with any On-Off calculation, Basketball-Reference just takes +/- on and divides by possessions on and takes +/- off and divides by possessions off (and multiplies by 100 for both). That’s exactly what I did, except I had to make an assumption about pace being equal on and off the court in order to get the breakdown of the possession numbers on and off the court (but the total number of possessions is the same since it’s using BBREF’s possession estimate). If you’re “not hung up on the pace differences” then what is your issue? Is your assertion that Basketball Reference’s on-off per 100 possessions is not actually providing us with +/- per 100 possessions using their estimate of possessions? If so, then that raises an entirely separate issue, because that would mean that Basketball-Reference’s on-off per 100 possessions data isn’t really on-off per 100 possessions.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#83 » by lessthanjake » Thu Aug 17, 2023 9:34 pm

ShaqAttac wrote:
lessthanjake wrote:
ShaqAttac wrote:comparin career stuff to short stuff when a dude is already winning with longer stuff is also pretty sus.

also look to me mj squad making up numbers again. i thought the 86 rox thread woulda been the end of it, but they really have no shame


Umm, the data I provided goes year by year and provides the data we have, so I don’t know what you’re talking about. And it’s worth noting that in the years where it’s only a portion of the year (i.e. the Squared stuff), the Bulls actually did *worse* in the sampled data than in the full seasons. So, if anything, the data as presented is biased in favor of games where the Bulls were winning less.

Meanwhile, the only “career” stuff I included was a career playoff number, but the data set includes over 90% of Jordan’s playoff games, so it’s by no means “short stuff.”

Also, stop trying to stir things up. You appear to think a substantial portion of your role on the forum is to make snide posts referencing past discussions and suggesting that someone in the current discussion was wrong in those past discussions. It’s something you consistently do, and often in posts that have virtually no other content. That’s not productive posting in any way, and it needs to stop.

i got no clue what why youre bringing up squared. you cut 95 coz you knew bron would look as good over more years. you doing different calcs so for bron and mj so you can get mj ahead in a stat most ppl dont even care that much about and you then told me i needed to fact-check when u were tryna regress the 86 rox to the mean patrick mahomes style.

you seem to think your job is to make things up and fight with everyone before calling everyone else toxic for responding. so many different ppl have pointed out all the ways youre cappin, but you still act like everyone else is the problem


Okay, you’ve obviously not read the separate thread of mine that this discussion is based on. https://forums.realgm.com/boards/viewtopic.php?f=64&t=2314587. I’m bringing up Squared because the data I provided included data from Squared. You’re off-base to say I “cut” 1995, since I explained in depth in that thread why there’s no remotely accurate way to estimate it, but also nevertheless did provide an estimate using it in that thread. Basically, your criticisms are all based on being completely uninformed about the other thread. All you’re doing is reading things other people in this thread are saying and taking it at face value without doing any independent analysis/research yourself about what you’re talking about.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#84 » by AEnigma » Thu Aug 17, 2023 9:45 pm

lessthanjake wrote:
AEnigma wrote:
lessthanjake wrote:See, this is where we can see why deriving from these multi-year graphs is silly. I realize you’re right actually that there’s also that 1991-1996 data point on a graph in the video. And if I calculate using that (eyeballing it with a +8.7 on and +7 on-off), it gives us a +8.43 “off” value per 48 minutes instead of the +16.94 “off” value per 48 minutes that I’ve previously noted that I got using the other chart. Using those multi-year charts is evidently just a really flawed method—which is why I altered my methodology in the other thread to avoid using them (despite the fact that doing so actually hurt Jordan’s numbers).

Yeah no one is disputing that the margin for error is high on that, but you do not get to toss it out. The offer has been extended multiple times to take the lowest plausibly calculable negative bound (thus most favourable to Jordan), and you have declined.

Lol, I think you’ll find that I’ve actually provided numbers using the 1995 playoffs days ago and before anyone even started talking about it

Well no, you had to be informed that the video from which you were sourcing almost everything had that included, even after HCL posted per 48 calculations previously made by one of your pals with 1995 included.

(and Jordan’s numbers still looked fantastic). And, as it turns out, I actually derived those numbers using an estimate that I now know is *by far* the worse of two estimates for the 1995 playoffs. I don’t understand what you’re complaining about. I’ve done data analysis for this using the 1995 playoffs. I’ve also caveated that the estimate for that uses a method we know to be *incredibly* inaccurate.

I am complaining about how even though it “still looks fantastic”, you prefer to list numbers without it.

I think you’re largely complaining about a non-issue, to be honest. It’s not like we’re comparing per-48-minute numbers to per-100-possessions numbers. It’s not apples and oranges.

Actually, you kind-of are. Not intentionally as far as I can tell, but functionally. And why I want you to run these numbers for Lebron yourself, just as you did with Jordan, same process and all, is because there is a definite disparity in the results when you do it that way.

So what are you hung up on? You say that there’s some “distinct process” I’ve used, but that’s not really the case aside from the pace assumption. As with any On-Off calculation, Basketball-Reference just takes +/- on and divides by possessions on and takes +/- off and divides by possessions off (and multiplies by 100 for both).

So test it out. Take Lebron’s plus/minus, his team’s point differential, and his playing time, and apply a per 100 adjustment based on BRef’s overall pace estimates (which is almost always well below 100 throughout Lebron’s career).

That’s exactly what I did, except I had to make an assumption about pace being equal on and off the court in order to get the breakdown of the possession numbers (but the total number of possessions is the same since it’s using BBREF’s possession estimate). If you’re “not hung up on the pace differences” then what is your issue? Is your assertion that Basketball Reference’s on-off per 100 possessions is not actually providing us with +/- per 100 possessions using their estimate of possessions? If so, then that raises an entirely separate issue, because that would mean that Basketball-Reference’s on-off per 100 possessions data isn’t really on-off per 100 possessions.

Correct, that is very much what I am gesturing at. Which is why I want you to run the numbers. Same exact process you did for Jordan. You have the plus/minus, the point differentials, the minutes, and the year by year postseason pace estimates — or the career postseason pace estimates, if that seems simpler. Do it in chunks if you prefer, e.g. Miami Lebron, second stint Lebron…

You assume there is some relative matching without confirmation. So confirm.
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Re: Old man MJ vs Old man Lebron 

Post#85 » by lessthanjake » Thu Aug 17, 2023 9:56 pm

AEnigma wrote:
lessthanjake wrote:
AEnigma wrote:Yeah no one is disputing that the margin for error is high on that, but you do not get to toss it out. The offer has been extended multiple times to take the lowest plausibly calculable negative bound (thus most favourable to Jordan), and you have declined.

Lol, I think you’ll find that I’ve actually provided numbers using the 1995 playoffs days ago and before anyone even started talking about it

Well no, you had to be informed that the video from which you were sourcing almost everything had that included, even after HCL posted per 48 calculations previously made by one of your pals with 1995 included.

(and Jordan’s numbers still looked fantastic). And, as it turns out, I actually derived those numbers using an estimate that I now know is *by far* the worse of two estimates for the 1995 playoffs. I don’t understand what you’re complaining about. I’ve done data analysis for this using the 1995 playoffs. I’ve also caveated that the estimate for that uses a method we know to be *incredibly* inaccurate.

I am complaining about how even though it “still looks fantastic”, you prefer to list numbers without it.

I think you’re largely complaining about a non-issue, to be honest. It’s not like we’re comparing per-48-minute numbers to per-100-possessions numbers. It’s not apples and oranges.

Actually, you kind-of are. Not intentionally as far as I can tell, but functionally. And why I want you to run these numbers for Lebron yourself, just as you did with Jordan, same process and all, is because there is a definite disparity in the results when you do it that way.

So what are you hung up on? You say that there’s some “distinct process” I’ve used, but that’s not really the case aside from the pace assumption. As with any On-Off calculation, Basketball-Reference just takes +/- on and divides by possessions on and takes +/- off and divides by possessions off (and multiplies by 100 for both).

So test it out. Take Lebron’s plus/minus, his team’s point differential, and his playing time, and apply a per 100 adjustment based on BRef’s overall pace estimates (which is almost always well below 100 throughout Lebron’s career).

That’s exactly what I did, except I had to make an assumption about pace being equal on and off the court in order to get the breakdown of the possession numbers (but the total number of possessions is the same since it’s using BBREF’s possession estimate). If you’re “not hung up on the pace differences” then what is your issue? Is your assertion that Basketball Reference’s on-off per 100 possessions is not actually providing us with +/- per 100 possessions using their estimate of possessions? If so, then that raises an entirely separate issue, because that would mean that Basketball-Reference’s on-off per 100 possessions data isn’t really on-off per 100 possessions.

Correct, that is very much what I am gesturing at. Which is why I want you to run the numbers. Same exact process you did for Jordan. You have the plus/minus, the point differentials, the minutes, and the year by year postseason pace estimates — or the career postseason pace estimates, if that seems simpler. Do it in chunks if you prefer, e.g. Miami Lebron, second stint Lebron…

You assume there is some relative matching without confirmation. So confirm.


If it differs, perhaps LeBron’s teams actually *did* play at a substantially different pace with him on and off the court. In which case, it’d be an example of the equal-pace assumption being in error but not necessarily indication that the error would exist or go the same way for Jordan. And it certainly wouldn’t mean we should look at the in-error number for LeBron over a more precise number that doesn’t use the equal-pace assumption.

And to the extent you’re arguing that actually Basketball-Reference is doing something completely different and aren’t even really measuring on-off per 100 possessions, then that’s a very different discussion, for which you’d need to provide a lot more evidence.

[EDIT: Also, to the extent you keep asking me to make these calculations for LeBron, I don’t think you quite realize how long these calculations took (or maybe you do, and that’s why you’re asking that I do it). I spent a lot of time doing this for Jordan. It was a huge undertaking. I’m not obligated to spend a substantial portion of my day doing something just because you would like me to, and being unwilling to do so is not being evasive. You’re free to take the time to make a point you want to make.]
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#86 » by AEnigma » Thu Aug 17, 2023 10:04 pm

lessthanjake wrote:If it differs, perhaps LeBron’s teams actually *did* play at a substantially different pace with him on and off the court. In which case, it’d be an example of the equal-pace assumption being in error but not necessarily indication that the error would exist or go the same way for Jordan.

Correct. For what it is worth, we do know that Lebron’s teams consistently played faster when he was off the court — which is kind-of dumb and the opposite approach of what they probably should have been doing, but I suppose there is an art to pace control which few players have mastered.

And it certainly wouldn’t mean we should look at the in-error number for LeBron over a more precise number that doesn’t use the equal-pace assumption.

It does when you are trying to compare it with a less precise number. Compare like for like.

And to the extent you’re arguing that actually Basketball-Reference is doing something completely different and aren’t even really measuring on-off per 100 possessions, then that’s a very different discussion, for which you’d need to provide a lot more evidence.

I mean objectively they are not, they are just making approximations. But to the question of whether we should be taking those estimates at face value: test it. All this confidence, but no willingness to test.
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Re: Old man MJ vs Old man Lebron 

Post#87 » by lessthanjake » Thu Aug 17, 2023 10:09 pm

AEnigma wrote:
lessthanjake wrote:If it differs, perhaps LeBron’s teams actually *did* play at a substantially different pace with him on and off the court. In which case, it’d be an example of the equal-pace assumption being in error but not necessarily indication that the error would exist or go the same way for Jordan.

Correct. For what it is worth, we do know that Lebron’s teams consistently played faster when he was off the court — which is kind-of dumb and the opposite approach of what they probably should have been doing, but I suppose there is an art to pace control which few players have mastered.

And it certainly wouldn’t mean we should look at the in-error number for LeBron over a more precise number that doesn’t use the equal-pace assumption.

It does when you are trying to compare it with a less precise number. Compare like for like.


Why in the world would we use a number that we know is wrong when we actually have the right one? That makes zero sense. You’re just wanting us to incorporate a known error into the analysis because it helps LeBron.

And your logic is that it is “like for like,” but we have no reason to believe that Jordan’s teams played at a substantially different pace with him on and off the floor, and certainly no reason to believe that they did so in the same direction and magnitude that LeBron’s teams did. Incorporating a known error in favor of LeBron when there’s no reason to think the same error exists for Jordan is just silly.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#88 » by ShaqAttac » Thu Aug 17, 2023 10:16 pm

lessthanjake wrote:
ShaqAttac wrote:
lessthanjake wrote:
Umm, the data I provided goes year by year and provides the data we have, so I don’t know what you’re talking about. And it’s worth noting that in the years where it’s only a portion of the year (i.e. the Squared stuff), the Bulls actually did *worse* in the sampled data than in the full seasons. So, if anything, the data as presented is biased in favor of games where the Bulls were winning less.

Meanwhile, the only “career” stuff I included was a career playoff number, but the data set includes over 90% of Jordan’s playoff games, so it’s by no means “short stuff.”

Also, stop trying to stir things up. You appear to think a substantial portion of your role on the forum is to make snide posts referencing past discussions and suggesting that someone in the current discussion was wrong in those past discussions. It’s something you consistently do, and often in posts that have virtually no other content. That’s not productive posting in any way, and it needs to stop.

i got no clue what why youre bringing up squared. you cut 95 coz you knew bron would look as good over more years. you doing different calcs so for bron and mj so you can get mj ahead in a stat most ppl dont even care that much about and you then told me i needed to fact-check when u were tryna regress the 86 rox to the mean patrick mahomes style.

you seem to think your job is to make things up and fight with everyone before calling everyone else toxic for responding. so many different ppl have pointed out all the ways youre cappin, but you still act like everyone else is the problem


Okay, you’ve obviously not read the separate thread of mine that this discussion is based on. https://forums.realgm.com/boards/viewtopic.php?f=64&t=2314587. I’m bringing up Squared because the data I provided included data from Squared. You’re off-base to say I “cut” 1995, since I explained in depth in that thread why there’s no remotely accurate way to estimate it, but also nevertheless did provide an estimate using it in that thread. Basically, your criticisms are all based on being completely uninformed about the other thread. All you’re doing is reading things other people in this thread are saying and taking it at face value without doing any independent analysis/research yourself about what you’re talking about.

bros came up with a bunch of remotely accurate ways so idk what youre talkin about. and when ppl do 95 for both using the same ****, bron comes out as good in more years like hcl n kd showed.

also miss me with that indepednent analysis and research cap. I have indepenedently read you cappin over and over whether its sam jones the 6th man or hakeem's rox or stephs apm. you like to tell me i need to factcheck when i post something wrong and accept i mssed up, but your messup/48 higher than everyone else combined and you always doublin down and then tellin people they dont know what they're doing when its you who doesnt.

Idk what else to say. if you wanna keep making things up, be you I guess.
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Re: Old man MJ vs Old man Lebron 

Post#89 » by f4p » Thu Aug 17, 2023 10:54 pm

ShaqAttac wrote:
lessthanjake wrote:
ShaqAttac wrote:i got no clue what why youre bringing up squared. you cut 95 coz you knew bron would look as good over more years. you doing different calcs so for bron and mj so you can get mj ahead in a stat most ppl dont even care that much about and you then told me i needed to fact-check when u were tryna regress the 86 rox to the mean patrick mahomes style.

you seem to think your job is to make things up and fight with everyone before calling everyone else toxic for responding. so many different ppl have pointed out all the ways youre cappin, but you still act like everyone else is the problem


Okay, you’ve obviously not read the separate thread of mine that this discussion is based on. https://forums.realgm.com/boards/viewtopic.php?f=64&t=2314587. I’m bringing up Squared because the data I provided included data from Squared. You’re off-base to say I “cut” 1995, since I explained in depth in that thread why there’s no remotely accurate way to estimate it, but also nevertheless did provide an estimate using it in that thread. Basically, your criticisms are all based on being completely uninformed about the other thread. All you’re doing is reading things other people in this thread are saying and taking it at face value without doing any independent analysis/research yourself about what you’re talking about.

bros came up with a bunch of remotely accurate ways so idk what youre talkin about. and when ppl do 95 for both using the same ****, bron comes out as good in more years like hcl n kd showed.

also miss me with that indepednent analysis and research cap. I have indepenedently read you cappin over and over whether its sam jones the 6th man or hakeem's rox or stephs apm. you like to tell me i need to factcheck when i post something wrong and accept i mssed up, but your messup/48 higher than everyone else combined and you always doublin down and then tellin people they dont know what they're doing when its you who doesnt.

Idk what else to say. if you wanna keep making things up, be you I guess.


well you do tend to just glom onto what other people say is wrong about something, so it's not clear you have a reason for thinking it's wrong other than someone else said it.
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Re: Old man MJ vs Old man Lebron 

Post#90 » by ShaqAttac » Thu Aug 17, 2023 11:04 pm

f4p wrote:
ShaqAttac wrote:
lessthanjake wrote:
Okay, you’ve obviously not read the separate thread of mine that this discussion is based on. https://forums.realgm.com/boards/viewtopic.php?f=64&t=2314587. I’m bringing up Squared because the data I provided included data from Squared. You’re off-base to say I “cut” 1995, since I explained in depth in that thread why there’s no remotely accurate way to estimate it, but also nevertheless did provide an estimate using it in that thread. Basically, your criticisms are all based on being completely uninformed about the other thread. All you’re doing is reading things other people in this thread are saying and taking it at face value without doing any independent analysis/research yourself about what you’re talking about.

bros came up with a bunch of remotely accurate ways so idk what youre talkin about. and when ppl do 95 for both using the same ****, bron comes out as good in more years like hcl n kd showed.

also miss me with that indepednent analysis and research cap. I have indepenedently read you cappin over and over whether its sam jones the 6th man or hakeem's rox or stephs apm. you like to tell me i need to factcheck when i post something wrong and accept i mssed up, but your messup/48 higher than everyone else combined and you always doublin down and then tellin people they dont know what they're doing when its you who doesnt.

Idk what else to say. if you wanna keep making things up, be you I guess.


well you do tend to just glom onto what other people say is wrong about something, so it's not clear you have a reason for thinking it's wrong other than someone else said it.

i mean u can independently check bbr in 69 70 and 71 to see sam jones aint all that and the celtics were weak. people actually posted the graphs n **** for steph so unless u think they photoshopped

bro also literally tried to patrick mahomes the 86 rockers and they were still = or > the 90 bulls
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Re: Old man MJ vs Old man Lebron 

Post#91 » by AEnigma » Fri Aug 18, 2023 12:36 am

lessthanjake wrote:
AEnigma wrote:
lessthanjake wrote:If it differs, perhaps LeBron’s teams actually *did* play at a substantially different pace with him on and off the court. In which case, it’d be an example of the equal-pace assumption being in error but not necessarily indication that the error would exist or go the same way for Jordan.

Correct. For what it is worth, we do know that Lebron’s teams consistently played faster when he was off the court — which is kind-of dumb and the opposite approach of what they probably should have been doing, but I suppose there is an art to pace control which few players have mastered.

And it certainly wouldn’t mean we should look at the in-error number for LeBron over a more precise number that doesn’t use the equal-pace assumption.

It does when you are trying to compare it with a less precise number. Compare like for like.

Why in the world would we use a number that we know is wrong when we actually have the right one? That makes zero sense. You’re just wanting us to incorporate a known error into the analysis because it helps LeBron.

No, what I want is for you to stop doing an extremely error-prone approach for Jordan and then advertising it as some proof of his superiority. The more you refuse to do the same for Lebron, the more obvious it becomes you recognise that these margins of error are a lot larger than you care to admit.

And your logic is that it is “like for like,” but we have no reason to believe that Jordan’s teams played at a substantially different pace with him on and off the floor, and certainly no reason to believe that they did so in the same direction and magnitude that LeBron’s teams did. Incorporating a known error in favor of LeBron when there’s no reason to think the same error exists for Jordan is just silly.

Now you are back to throwing things at the wall again. You did not know the pace disparity, you are assuming basketball-reference does, and you are assuming that the sole reason these numbers do not match up is because that on/off pace difference is significant enough to drag all of Lebron’s on/off numbers down. :noway:

I eagerly await the moment when someone less invested in maintaining Jordan’s pedestal decides to take the time to look at what I am talking about. :pray:
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Re: Old man MJ vs Old man Lebron 

Post#92 » by lessthanjake » Fri Aug 18, 2023 1:30 am

AEnigma wrote:
lessthanjake wrote:
AEnigma wrote:Correct. For what it is worth, we do know that Lebron’s teams consistently played faster when he was off the court — which is kind-of dumb and the opposite approach of what they probably should have been doing, but I suppose there is an art to pace control which few players have mastered.


It does when you are trying to compare it with a less precise number. Compare like for like.

Why in the world would we use a number that we know is wrong when we actually have the right one? That makes zero sense. You’re just wanting us to incorporate a known error into the analysis because it helps LeBron.

No, what I want is for you to stop doing an extremely error-prone approach for Jordan and then advertising it as some proof of his superiority. The more you refuse to do the same for Lebron, the more obvious it becomes you recognise that these margins of error are a lot larger than you care to admit.


I’ll repeat what I’ve already said in this thread: To the extent you keep asking me to make these calculations for LeBron, I don’t think you quite realize how long these calculations took (or maybe you do, and that’s why you’re asking that I do it). I spent a lot of time doing this for Jordan. It was a huge undertaking. I’m not obligated to spend a substantial portion of my day doing something just because you would like me to, and being unwilling to do so is not being evasive. You’re free to take the time to make a point you want to make. I for one don't really care about it much because we both agree LeBron's teams played a higher pace with him off the court and therefore that an equal-pace assumption would spit out an incorrect value for him (which would overestimate his on-off). You’re just asking me to spend a ton of my time running numbers to confirm something I’m not contesting. The fact that the equal-pace assumption would overestimate LeBron’s on-off doesn’t in any way mean it is doing the same for Jordan and I think you really just need to step back and acknowledge that.

You say the method I’m using is “extremely error-prone” but your only basis for that is that it would overestimate LeBron…but you also admit that it would overestimate LeBron precisely because you know that there *was* a material difference in pace for LeBron’s teams when he was on and off the court. We have no basis to believe that the same is true for Jordan, so we have no basis to believe that it would be as inaccurate for him (or even that, if it were inaccurate, it'd be inaccurate in the same direction).

And, of course, I identified this potential source of error upfront in my post presenting my data, so the implication that I’m not addressing the issue is obviously unwarranted. The correct way to deal with this issue isn’t to bizarrely use known incorrect information for LeBron—as if we somehow have any basis whatsoever to believe that the direction and magnitude of the error in assuming equal "on" and "off" pace is the same for both of them and therefore would cancel out if we use LeBron information that contains the error—but rather just to understand and acknowledge that the equal-pace assumption in the Jordan data is a potential error source which could go either way. Of course, again, that is something I clearly identified and pointed out upfront, so I don’t really know what you’re arguing about, except to try to lobby to use known-incorrect information for LeBron because it’d be more favorable to him. It’s not more accurate to introduce more error.

And your logic is that it is “like for like,” but we have no reason to believe that Jordan’s teams played at a substantially different pace with him on and off the floor, and certainly no reason to believe that they did so in the same direction and magnitude that LeBron’s teams did. Incorporating a known error in favor of LeBron when there’s no reason to think the same error exists for Jordan is just silly.

Now you are back to throwing things at the wall again. You did not know the pace disparity, you are assuming basketball-reference does, and you are assuming that the sole reason these numbers do not match up is because that on/off pace difference is significant enough to drag all of Lebron’s on/off numbers down. :noway:

I eagerly await the moment when someone less invested in maintaining Jordan’s pedestal decides to take the time to look at what I am talking about. :pray:


Basketball-Reference’s on-off data uses play by play data (which is why it only exists from 1996-1997 onwards), so…yeah, it does know about a pace disparity when someone is on and off the court.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#93 » by ComeFlyWithMe » Fri Aug 18, 2023 1:46 am

Ian Scuffling wrote:
ComeFlyWithMe wrote:Old man MJ didn't have the medical breakthroughs that LeBron has! This comparison is completely unfair and ridiculous. Give MJ modern medicine and I have no doubt he could be better than old LeBron!


Well researched and thought out.

It seems I've struck a nerve!
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Re: Old man MJ vs Old man Lebron 

Post#94 » by AEnigma » Fri Aug 18, 2023 1:54 am

lessthanjake wrote:
AEnigma wrote:
lessthanjake wrote:Why in the world would we use a number that we know is wrong when we actually have the right one? That makes zero sense. You’re just wanting us to incorporate a known error into the analysis because it helps LeBron.

No, what I want is for you to stop doing an extremely error-prone approach for Jordan and then advertising it as some proof of his superiority. The more you refuse to do the same for Lebron, the more obvious it becomes you recognise that these margins of error are a lot larger than you care to admit.

I’ll repeat what I’ve already said in this thread: To the extent you keep asking me to make these calculations for LeBron, I don’t think you quite realize how long these calculations took (or maybe you do, and that’s why you’re asking that I do it). I spent a lot of time doing this for Jordan. It was a huge undertaking. I’m not obligated to spend a substantial portion of my day doing something just because you would like me to, and being unwilling to do so is not being evasive. You’re free to take the time to make a point you want to make.

I am aware, I have done it myself. That is why I am confident here lol. But you are also partly missing my point.

(And I also think you are overstating the extent of the time involved, but I acknowledge the time I take to calculate something might be faster than the time it takes others.)

I for one don't really care about it much because we both agree LeBron's teams played a higher pace with him off the court and therefore that an equal-pace assumption would spit out an incorrect value for him (which would overestimate his on-off). You’re just asking me to spend a ton of my time running numbers to confirm something I’m not contesting. The fact that the equal-pace assumption would overestimate LeBron’s on-off doesn’t in any way mean it is doing the same for Jordan and I think you really just need to step back and acknowledge that.

A.) I did acknowledge that there are unknowns which could change the implication of Jordan’s numbers.

B.) Again, I do not think that the pace variations themselves are as important as you understanding that there is an innate aspect of these calculations which does not match up with what you see listed on these different websites. But the only way you can understand that is to do a comparison and contrast.

I am sympathetic to not caring to do the calculations yourself, but I am less sympathetic when you continue to use it as an excuse to trumpet Jordan’s averages as a tier above.

You say the method I’m using is “extremely error-prone” but your only basis for that is that it would overestimate LeBron…but you also admit that it would overestimate LeBron precisely because you know that there *was* a material difference in pace for LeBron’s teams when he was on and off the court. We have no basis to believe that the same is true for Jordan, so we have no basis to believe that it would be as inaccurate for him (or even that, if it were inaccurate, it'd be inaccurate in the same direction).

No, I am saying you are making an assumption that on/off pace is the sole differentiating fact in “overestimation”.

And, of course, I identified this potential source of error upfront in my post presenting my data, so the implication that I’m not addressing the issue is obviously unwarranted. The correct way to deal with this issue isn’t to bizarrely use known incorrect information for LeBron—as if we somehow have any basis whatsoever to believe that the direction and magnitude of the error in assuming equal "on" and "off" pace is the same for both of them and therefore would cancel out if we use LeBron information that contains the error—but rather just to understand and acknowledge that the equal-pace assumption in the Jordan data is a potential error source which could go either way. Of course, again, that is something I clearly identified and pointed out upfront, so I don’t really know what you’re arguing about, except to try to lobby to use known-incorrect information for LeBron because it’d be more favorable to him. It’s not more accurate to introduce more error.

Well “accuracy” went out the window as soon as you started making broad claims about what hand calculations for Jordan signify, and it sailed on past the freeway when you glossed over Basketball-Reference being meaningfully lower than other sources even with that supposedly “overestimating” pace distribution.

And your logic is that it is “like for like,” but we have no reason to believe that Jordan’s teams played at a substantially different pace with him on and off the floor, and certainly no reason to believe that they did so in the same direction and magnitude that LeBron’s teams did. Incorporating a known error in favor of LeBron when there’s no reason to think the same error exists for Jordan is just silly.

Now you are back to throwing things at the wall again. You did not know the pace disparity, you are assuming basketball-reference does, and you are assuming that the sole reason these numbers do not match up is because that on/off pace difference is significant enough to drag all of Lebron’s on/off numbers down. :noway:

I eagerly await the moment when someone less invested in maintaining Jordan’s pedestal decides to take the time to look at what I am talking about. :pray:

Basketball-Reference’s on-off data uses play by play data (which is why it only exists from 1996-1997 onwards), so…yeah, it does know about a pace disparity when someone is on and off the court.

Yet it mysteriously does not match other sources, its specific pace listings do not match other sources, and its outputs do not even pass an immediate face-value smell test (again, +10 over 6 games -> +1.0 per 100 possessions :nonono:).

Which brings us back to critical thinking and the apparent indifference to questioning any assumptions so long as they continue to let you publicly inflate Jordan.
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Re: Old man MJ vs Old man Lebron 

Post#95 » by trex_8063 » Fri Aug 18, 2023 2:35 am

mysticOscar wrote:
Owly wrote:
mysticOscar wrote:My take on Russell is that he was born in an era with not much footage and a league that was viewed by many as not a full blown professional league.

I'm not quite sure what "a full blown professional league" means (or who the "many" are, without any citation) but if there's an implication that it wasn't fully professional (it's hard to see what else "professional" is doing in that sentence)... I think he and the people paying him $100,001 a year in the 1960s might be surprised.

I've got that contract occurring in 1965. Let's say it started then and counts for 1966. which one source says puts him well more than 20x the mean and more than 9x enough to put him in the top 5% of earners (https://dqydj.com/individual-income-by-year/). Obviously not everyone was as well paid as he was but that would be quite the resources for an amateur or semi-pro league.


"Full blown professional league" means a league where majority if players don't need to hold 2nd jobs outside of there sport to live off all year round



Quoting myself from another recent thread (discussion was regarding Mikan), with a couple additions:

While bench and lower tier players did not make a lot in Mikan’s era, the better players made a decent living from basketball. And Mikan himself did VERY well.
The top-paid player in the BAA’s inaugural season [1946-47] was Tom King, who received $16,500 (adjusted for inflation, it’s the equivalent of ~$226k today). Joe Fulks was next highest, at just under half that ($8k).

Mikan, in the NBL, was paid $60,000 that same year (modern day equiv: ~$822k), plus incentives. So he was doing just fine.
Most players actually signed to full-season contracts were making at least $5,000 in ‘47 [equivalent of about $69k today] (very little variation in contract size, not like today). Some bench players may have been on more temporary contracts, and thus paid less.

The highest-paid player in '57 [Russell's rookie year] was Bob Cousy, making $25k (modern equiv is about $272k).

By ‘63, even the scrubs and bench warmers in the NBA made a livable wage (league minimum was the equivalent of ~$70-75k or so per year in inflation-adjusted dollars, iirc [didn’t write the exact figure]). Average player salary was a very decent/comfortable living by this point (comfortably six-figures in inflation-adjusted dollars). The highest-paid player that year was Wilt Chamberlain, making $65k/year (modern equiv is about $650k/year).

It was before the ‘66 season that Wilt signed his historic $100k contract (that’s the equiv of about $943,500 today).

In '69 [Russell's final season] the highest-paid player was again Chamberlain, making $250k/year (equiv of nearly $2.1M today).

By ‘71, league minimum was up to $17,500 (the equivalent of $132k today); so NO ONE in the league was making a bad living at that point. The AVERAGE player salary that year was $90k (equiv of ~$690k today). Kareem [then Lew Alcindor] received $250k (equiv of almost $1.9M today).


When Russell entered the league, players signed to full-season contracts were already at least in the neighborhood of $70k (in modern equiv dollars). Average player salary was close to six-figures (in modern equivalent dollars), with the best paid player early over a quarter-million in modern equiv.

By the time he exited the league, players [even the scrubs] were making six-figure equivalent at a minimum, with the highest paid making >$2M. League AVERAGE salary at the close of his career was in the neighborhood of a half-million [in modern equiv dollars].

There were few players in the league at the start of his career who were working separate off-season jobs; and almost none [with full-season contracts] who actually "needed" to work other jobs to make a living for the whole year.
None at all worked other jobs by fairly early on in the 60s.

Far cry from the "majority".
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Re: Old man MJ vs Old man Lebron 

Post#96 » by lessthanjake » Fri Aug 18, 2023 2:55 am

AEnigma wrote:
lessthanjake wrote:And, of course, I identified this potential source of error upfront in my post presenting my data, so the implication that I’m not addressing the issue is obviously unwarranted. The correct way to deal with this issue isn’t to bizarrely use known incorrect information for LeBron—as if we somehow have any basis whatsoever to believe that the direction and magnitude of the error in assuming equal "on" and "off" pace is the same for both of them and therefore would cancel out if we use LeBron information that contains the error—but rather just to understand and acknowledge that the equal-pace assumption in the Jordan data is a potential error source which could go either way. Of course, again, that is something I clearly identified and pointed out upfront, so I don’t really know what you’re arguing about, except to try to lobby to use known-incorrect information for LeBron because it’d be more favorable to him. It’s not more accurate to introduce more error.

Well “accuracy” went out the window as soon as you started making broad claims about what hand calculations for Jordan signify, and it sailed on past the freeway when you glossed over Basketball-Reference being meaningfully lower than other sources even with that supposedly “overestimating” pace distribution.

Basketball-Reference’s on-off data uses play by play data (which is why it only exists from 1996-1997 onwards), so…yeah, it does know about a pace disparity when someone is on and off the court.

Yet it mysteriously does not match other sources, its specific pace listings do not match other sources, and its outputs do not even pass an immediate face-value smell test (again, +10 over 6 games -> +1.0 per 100 possessions :nonono:).

Which brings us back to critical thinking and the apparent indifference to questioning any assumptions so long as they continue to let you publicly inflate Jordan.


For these purposes, it doesn’t really matter if Basketball Reference’s numbers are a bit below other sources’ numbers. The reason their numbers are a bit lower is that their estimate of possessions is a bit higher than other sources. More possessions means lower “on” and “off” numbers. But since my method uses Basketball Reference’s estimate of possessions (that’s what the pace adjustment does) my numbers are affected by that as well. If I were using a different source’s pace estimation, then you’d have a point. But I’m not.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#97 » by AEnigma » Fri Aug 18, 2023 3:04 am

Every post you make ignoring what I have repeatedly said is my point reinforces that you have no interest in the process behind outputs so long as they tell you what you want.
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Re: Old man MJ vs Old man Lebron 

Post#98 » by lessthanjake » Fri Aug 18, 2023 3:41 am

AEnigma wrote:Every post you make ignoring what I have repeatedly said is my point reinforces that you have no interest in the process behind outputs so long as they tell you what you want.


I’ve actually spent quite a lot of my time addressing every point I’ve seen you make. If there’s some unaddressed point you think you’ve made, you’re going to have to articulate it again/better, because from my perspective there’s nothing you’ve said that I haven’t addressed at least once (and sometimes more than once). Where things are essentially repeated, I don’t always choose to repeat the same response I’ve already made, but that’s not “ignoring” something.
OhayoKD wrote:Lebron contributes more to all the phases of play than Messi does. And he is of course a defensive anchor unlike messi.
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Re: Old man MJ vs Old man Lebron 

Post#99 » by tsherkin » Fri Aug 18, 2023 3:45 am

AEnigma wrote:Every post you make ignoring what I have repeatedly said is my point reinforces that you have no interest in the process behind outputs so long as they tell you what you want.


How about we all stop arguing in circles and just get back to discussing the OP?
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Re: Old man MJ vs Old man Lebron 

Post#100 » by f4p » Fri Aug 18, 2023 5:10 am

AEnigma wrote:I am aware, I have done it myself. That is why I am confident here lol. But you are also partly missing my point.


Since I don't care about the pissing contest, what are the numbers?

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