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This was my question https://stats.stackexchange.com/questions/374062/least-square-estimators-for-beta-0-and-beta-1-and-uncorrelated-relation-b

I am surprised that was deleted because there is nothing wrong there.

I asked a question, added my solution and asked people to verify if it was correct (so fits the rules of the site) and puff! it's gone. Why?

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    $\begingroup$ meta.stackexchange.com/help/roomba $\endgroup$ – Glen_b Dec 8 '18 at 6:59
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    $\begingroup$ Just to clarify a possible misperception: We are not a homework-checking site, so at best this Community-deleted question was skating at the very edge of the rules concerning what is on topic. (We probably were too lenient in not closing it.) I'm sure that's why there were no responses. $\endgroup$ – whuber Dec 8 '18 at 15:01
  • $\begingroup$ @whuber Why do you think that was homework? Could not be possible that I am just curious about regression and I want to learn about it? Or that I am interested in it as a discipline? $\endgroup$ – user459663 Dec 16 '18 at 0:12
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    $\begingroup$ I am using the term in the sense of our self-study tag wiki. We don't mean to suggest we have no respect for studying or learning. The problem is that homework-style questions tend to be extremely different than actual statistical questions people face: they are usually based on artificial assumptions, devoid of realistic context, and--most importantly--are phrased as imperatives: "show this," "prove that," etc. Consequently they require very different kinds of responses. $\endgroup$ – whuber Dec 16 '18 at 20:57
  • $\begingroup$ @whuber Ah. In other words this site is for professionals in statistics and related topics ? $\endgroup$ – user459663 Dec 19 '18 at 0:05
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    $\begingroup$ I don't see how you arrived at that conclusion based on what I wrote. I contended that routine textbook exercises are answered in a different manner than other questions arising out of real applications and research and pointed to some of the ways they differ. I did not say that they were out of bounds or even that they aren't used by professionals. (Indeed, I am a professional and I solve routine problems every day as part of my ongoing learning.) $\endgroup$ – whuber Dec 19 '18 at 1:38
  • $\begingroup$ @whuber The thing is that I still consider that was unfair the deletion of my question. Clearly was about regression analysis, so about statistics, so fits here in this site. It's ok if no one answer my question (might be considered silly or out of interesting) but it's not ok to delete it. Could not be possible that someday someone would answer it? Or someone could learn from it in the future :)? $\endgroup$ – user459663 Dec 19 '18 at 3:16
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    $\begingroup$ I'm sorry, but this site is not for every question that might mention "statistics." Our help center offers an overview of what it is about. As far as the deletion goes, the answer by Sycorax explains that the StackExchange system itself deleted your question, essentially because it attracted no interest from users of this site. That automatic deletion is not something we can change through any amount of discussion here. You are welcome to take this issue up on the SE Meta site, but beware that your quest will be perceived as quixotic. $\endgroup$ – whuber Dec 19 '18 at 15:40
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    $\begingroup$ @user459663 It seems necessary to underscore that this website's software deleted your question because the question satisfied a set of rules. No one is singling out you or your question. In the specific sense of your question having satisfied a list of criteria, your question was not "unfairly" deleted -- every question which satisfies these criteria is deleted automatically. $\endgroup$ – Sycorax Dec 20 '18 at 17:41
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    $\begingroup$ Just out of curiosity what you called 'puff!' is known in the Stack Exchange network as 'roomba'. See here and here. More on this here. $\endgroup$ – Andre Silva Jan 9 at 2:10
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    $\begingroup$ @AndreSilva aha though I like more puff! (reminds me of mrs. puff) :P $\endgroup$ – user459663 Jan 13 at 2:20
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Just expanding on comments so that this has a answer...

Your post satisfied the requirements for the automated deletion by StackExchange after a certain amount of time had passed.

Specifically, your question failed the RemoveDeadQuestions script, which will delete questions if all of the following apply:

  • question is older than 30 days;
  • has −1 or lower score;
  • has no answers;
  • is not locked.
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  • $\begingroup$ My question was deleted because the level was too low? $\endgroup$ – user459663 Dec 16 '18 at 0:18
  • $\begingroup$ @user459663 what do you mean by level? Do you mean it’s score? Did you read the link in my answer? $\endgroup$ – Sycorax Dec 16 '18 at 1:30
  • $\begingroup$ I meant that didn't receive answer and it doesn't fit here because it was misinterpreted as homework-check. Does it look like homework? I still cannot understand why was deleted. $\endgroup$ – user459663 Dec 16 '18 at 2:27
  • $\begingroup$ No, I'll read it in a few moments $\endgroup$ – user459663 Dec 16 '18 at 2:27
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    $\begingroup$ It was deleted by a bot (a program, a piece of software). No person anywhere decided to delete it, and as far as I am aware, nobody here on CV even had any input into the criteria used by that program. The first comment under your question makes it explicit and describes the criteria that apply. $\endgroup$ – Glen_b Dec 21 '18 at 7:45
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    $\begingroup$ @AndreSilva Thank you! Looks great. $\endgroup$ – Sycorax Jan 9 at 1:00
  • $\begingroup$ @Glen_b Yes I can understand that. thought its still not fair.. it took me time to write it and effort to think about it. $\endgroup$ – user459663 Jan 13 at 0:11
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    $\begingroup$ Nobody here has anything to do with it. You're free to take it to meta.stackexchange.com . $\endgroup$ – Glen_b Jan 13 at 0:32
  • $\begingroup$ well maybe though the other mod said 'beware that your quest will be perceived as quixotic.' $\endgroup$ – user459663 Jan 13 at 2:18
  • $\begingroup$ @user459663 pursuing the issue in the comments on this thread is no less quixotic. $\endgroup$ – Sycorax Jan 13 at 2:28
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Taking advantage of this subject, if anyone is interested:

I wrote a simple query in Stack Exchange Data Explorer to evaluate borderline questions to the RemoveDeadQuestions script, the one which automatically deleted the OP's question in the main site (see Sycorax's answer).

What the query does is to find questions which are one vote shorter from meeting automatic deletion. However, it serves both ways:

  • i) prevent an interesting question from being deleted (just edit it for quality and also upvote it).
  • ii) make not complete, not interesting questions to go away.

The advantage of ii is that a single user can make the difference. With one downvote, it can be automatically deleted in 30 days. No need to spend resources from other users reviewing and closing it in the queue (not that they were not reviewed before and failed to collect answers or upvotes). Moreover, deleting less interesting content, makes the top questions and answers in quality easier to find (I think this is the main point).

This may be a harsh approach, but I have reviewed such questions in another Stack Exchange site and from my initial experience at least 80% of them were clearly indeed abandoned by OP or lacking details, etc (I started by the oldest, which I think are the ones more likely to not meet current standards).

Running the query for CV SE yielded 11.276 borderline questions. The first five in the list are:

The first three questions were duplicates. If one wants to eliminate them from the search just add in the WHERE clause: AND p.ClosedDate is NULL. Other ideas for customization would be to filter such Qs by inactive OPs, etc.

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