If you look at the reputation tab of my profile, the graph ends at a score of 12k5, my actual score is 14k8.
I have been deleting some answers lately, some with votes. Could it be that the graph is showing what a ReCalc would do?
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3You deleted answers worth 2k rep?– innaMSep 25 '09 at 20:55
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I think a little less, I didn't keep track.– Henk HoltermanSep 25 '09 at 20:56
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4wow, that's a lot of rep to delete away– Nathan KoopSep 25 '09 at 20:58
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6Why are you deleting posts?– EtherOct 25 '09 at 20:54
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Adding up all the green numbers and subtracting all the red numbers gives 12211. So that's the reputation you'd have from all current questions and answers.
Edit: I hadn't realized that this list also includes reputation used and granted for bounties - given that it does, you can probably trust this number. Keep in mind, rep from deleted answers, including answers to deleted or migrated questions, doesn't count.
At one time, I had a Greasemonkey script written to calculate your actual reputation from the graph... But this was never perfectly accurate, and the addition of the /reputation page (for instance, your Stack Overflow reputation audit) makes this unnecessary.
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I don't think I ever collected a bounty. How do I get all the red and green points? I can only get a 60-day window at the most. Sep 25 '09 at 21:58
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1@Shog9: you have allowed me to sleep again at night. Now I know that the difference between current rep and real rep is only 110 points. :)– perbertSep 26 '09 at 3:00
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1@RSolberg: I can't vouch for the accuracy, since it only adds up what's returned by the reputation graph service: if something is missing from that, then it'll be missing from the calculated rep. And it wouldn't surprise me to learn that the graph is missing something; otherwise, recalcs would be a lot faster & easier!– Shog9Sep 26 '09 at 21:41
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It misses -1 scores from downvotes you did yourself. And there must be more, because for some reason my recalculated score (on SO) comes out higher than it is now. And I don't think you could ever gain from a recalc?– sthOct 13 '09 at 18:27
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@sth: i've gained from past re-calcs. The most obvious reason for this is that deleted, down-voted posts (those that you down-voted and those of yours that others down-voted) no longer subtract from the reputation. And you are correct: the former (the cost of your own down-votes) isn't accounted for by this script (although it probably could be: subtract your 344 down-votes from the script's score, and you're only 68 points above where the site currently shows you).– Shog9Oct 13 '09 at 18:37
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@Shog9: Yeah, you're right, I just realized that too. But I would be surprised if I got 68 down-votes on now deleted answers. And I also don't have any posts that got deleted as offensive/spam, AFAIK. Hmm...– sthOct 13 '09 at 18:53
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It would only have to be 34 down-votes @ -2 per down-vote. And I have no idea if SO counts votes that have been deleted - if you down-voted some bad posts that are now gone, those could have contributed to this as well! Only way to find out is to ask a moderator to recalculate your rep for real... ;-)– Shog9Oct 13 '09 at 19:07
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1Alright, I was curious, so I requested a recalc. My rep before the recalc was 14137, after the recalc it dropped to 14054. The fake recalc estimation was 14543 (not counting 347 downvotes). This did not change when the recalc was done, it is still estimating the same value. So the fake recalc script calculates something not depending on the "denormalized" reputation score, but it also doesn't quite capture all aspects of the real reputation (Not quite sure what the missing information could be...).– sthOct 15 '09 at 1:03
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Interesting... 142 points (after subtracting the cost of down-votes) seems a pretty big difference; i wonder what else is going on? Anyway, thanks for taking one for the team. ;-)– Shog9Oct 15 '09 at 1:32