Why are there only 4 days worth of close/reopen votes in the Data Explorer? [closed]

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As the title states - what's the deal? Did close votes just start being added? Are the ones that are there only there because of some transient experiment?

Example Query

I'm pretty sure that a few more than 1806 close/reopen votes have been cast in Stack Overflow's history, and that at least some of those happened before May 28, 2010. There only seems to be 4 days worth of results, from May 28 to May 31, and curiously they're all at midnight (or maybe the time of day isn't being stored).

Can anyone explain this to me? Have I just misunderstood the schema perhaps?

I was thinking of the same question, @Jon, but it feels odd to call it duplicate. This is the weird kind of situation where a question is answered in the body of another question (which is unfortunately an unanswered question in itself). So they wouldn't attract the same answers. Not sure what protocol for this would be. — Grace Note, Commented Jun 14, 2010 at 19:44
@Jon: Well, not a dupe, but I guess the answer might be that DE is like that because the dump itself is like that. I'd really like an actual explanation, though... — Aarobot, Commented Jun 14, 2010 at 19:45
@ccomet, @Aarobot: Check out this search: meta.stackoverflow.com/search?q=[data-dump]+close — Jon Seigel, Commented Jun 14, 2010 at 20:28
Also, this mostly answers your questions: meta.stackexchange.com/questions/38451/… — Jon Seigel, Commented Jun 14, 2010 at 20:29
Crud. Why on earth would they hard-delete the votes? I think it's really important to be able to analyze that data in order to understand how the community moderation system actually works in practice on a larger scale. I guess we'll never know. — Aarobot, Commented Jun 14, 2010 at 20:46
The aging mechanism/numbers have changed since this question was posted. See Jeff's post here, a reference to Jeff's post here, and a reference to the reference to Jeff's post here as an answer to an FAQ post. See also Shog9's answer to "How do close votes age away?". — starball, Commented Jan 19, 2023 at 22:54

Community · Accepted Answer · 2017-03-20 10:30:43Z

5

Per Jeff's answer here, close votes auto-decay and are hard-deleted after 4 days.

The close votes are also stripped of their time. This is part of the anonymization, and it is documented in this question, specifically by Jeff here.

edited Mar 20, 2017 at 10:30

CommunityBot

1

answered Jun 14, 2010 at 19:25

Jon Seigel

40.7k7 gold badges82 silver badges160 bronze badges

This has changed since the answer was posted. See Jeff's post here, a reference to Jeff's post here, and a reference to the reference to Jeff's post here as an answer to an FAQ post. See also Shog9's answer to "How do close votes age away?".
– starball
Commented Jan 19, 2023 at 22:54

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