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Community: 10,000-th question approacheth

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    Soon. Hope it's a good one! Ceremony? Or let it pass unnoticed.
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    I was thinking about the "10K get" also. Maybe we could collectively decide on a question (ICM-related?) to ask.
    • CommentAuthorVP
    • CommentTimeAug 25th 2010
     

    Is it going to be 10000 or 10*1024? Either one seems mathematically unremarkable, in concordance with the silliness of ribbon-cutting on this occasion, especially if the jubilarian per chance turns out to be of the HELP!! I CANT DO THIS PROBLEM variety.

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    @VP: the 1729th question has already been asked, alas.
    • CommentAuthorWill Jagy
    • CommentTimeAug 25th 2010
     
    The darkness drops again but now I know
    One hundred centuries of stony sleep
    Were vexed to nightmare by a rocking cradle,
    And what rough beast, its hour come round at last,
    Slouches towards Bethlehem to be born?
    • CommentAuthorWill Jagy
    • CommentTimeAug 27th 2010
     
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    =(

    • CommentAuthorMariano
    • CommentTimeAug 29th 2010
     

    How can you tell it's the 10000th question? MO tells me there are 9,923 questions (and I guess the post ID, 36926, also counts everything else?)

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    @Mariano: you get slightly different numbers by looking at the different tabs on the questions page. I get 9924 "hot" questions, but 10055 questions in the "newest", "active", and "votes" tabs, so that's probably the right number. I don't know what makes a question "hot". These numbers don't count deleted questions, but the post IDs do.

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    And now the 20,000-th question approaches. Roughly 1K questions per month, 35 questions per day. This makes me wonder whether graphs vs. time of the number of questions, and/or the number of users, have ever been constructed from the dumps? (Re # users, see http://tea.mathoverflow.net/discussion/706/user-10000/ ).
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    These are all with a 2 week averaging window.

    Questions per day

    Posts per day

    New users per day

    Comments per day

    Votes per day

    • CommentAuthorKevin Lin
    • CommentTimeMay 19th 2011
     

    Cool! The drops on new year's days are funny.

    • CommentAuthoran_mo_user
    • CommentTimeMay 20th 2011
     

    Scott Morrison, thanks for posting this! I was really curious to see some data of this form, and even thought about asking whether it is available somewhere.

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    Let me echo the thanks to Scott for preparing these charts! Fascinating data! The big surprise to me is the nearly constant 25 new users per day. Coupled with the near-constant 100 posts per day, this suggests that the pool of *active* users is nearly constant. Perhaps the new arrivals are balanced by departures.
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    @Kevin: Did you also notice the drop around the beginning of the fall term in North America?

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    @Joseph: I think it's more likely that the majority of new users don't post. The trend in number of posts per day may also in part be due to math.SE taking up the attention of some of the more active users.

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    @Qiaochu: Good point re math.SE!

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