Right now, this question is marked for closing as a duplicate of this one. Yet the titles and subjects are totally different at first glance - and someone searching for something similar will have little hope of finding this.

Of course, a little thought makes us realize both are about analyzing coincidences. But we don't have such a tag (at least, I could not find one) and neither of the two questions is really canonical.

Should we have some question such as "How can one analyze the probability of coincidences?" ? Or should we just add a tag?

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    $\begingroup$ +1. I would just like to point out that for a long time we have had a canonical link to reply to such questions: see stats.meta.stackexchange.com/a/3207/919. $\endgroup$
    – whuber Mod
    Sep 10, 2018 at 13:31

1 Answer 1


We should definitely have a canonical answer since these questions crop up all the time. I wrote the answer linked above, the intention was that it could be used as canonical answer, and has been used as dup target at least once. So if a better one is wanted ...

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    $\begingroup$ I think the issue is that we need a better question. Something like "How can coincidences be analyzed using statistics and probability?" (although maybe not exactly that). $\endgroup$
    – Peter Flom
    Sep 19, 2018 at 13:28
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    $\begingroup$ Could you try to write that? $\endgroup$ Sep 19, 2018 at 13:29
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    $\begingroup$ I think what I have is a good first draft. Maybe others will have suggestions for improving it. $\endgroup$
    – Peter Flom
    Sep 19, 2018 at 13:31
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    $\begingroup$ @PeterFlom, you could just post the question, & people could comment &/or edit as needed. $\endgroup$ Sep 19, 2018 at 15:13
  • $\begingroup$ @Peter Flom: Did you have any advance? We need that question so we can close as dups, for instance today this one: stats.stackexchange.com/questions/193091/sexuality-of-dog-owner $\endgroup$ Aug 11, 2019 at 9:35
  • $\begingroup$ @kjetilbhalvorsen I don't understand what you are asking for. $\endgroup$
    – Peter Flom
    Aug 11, 2019 at 11:55
  • $\begingroup$ @Peter Flom: I just referred to your own old comments in this thread. ??? Or do you know of some other question now that can be used as a canonical dup target? $\endgroup$ Aug 11, 2019 at 20:10
  • $\begingroup$ I don't. But I think we can mark it as a dup of yours and then change the wording or something. Or maybe one of us can ask a canonical one and mark both as dups. $\endgroup$
    – Peter Flom
    Aug 11, 2019 at 20:49
  • $\begingroup$ For now I vote to close as a dup of my, and we can change if we got something better. $\endgroup$ Aug 11, 2019 at 20:51

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