55 votes

Top $k$ List of Reasons to Close a Question Immediately

Questions which are just photographs of your homework sheet or old exam paper Why these questions are closed We have a policy on self-study questions, which says that: It is okay to ask about ...
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  • 20.9k
31 votes

Top $k$ List of Reasons to Close a Question Immediately

Questions which contain a large number of undefined abbreviations or acronyms One of our close reasons is "Unclear what you are asking." I'm comparing an XYZ model to a YYZ model using the ABC and ...
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30 votes
Accepted

Are very elementary questions off topic on CrossValidated?

To my mind, elementary is too slippery a criterion for closing. I don't doubt there are many questions that are elementary for @MichaelChernick that would be over my head, and I don't necessarily ...
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28 votes

A beautiful answer to a question that changed

If you have a good answer to a question that's no longer there, it would be a great pity to leave things as they are, rather than have the benefit of your effort available to be easily found. This is ...
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  • 260k
27 votes

Top $k$ List of Reasons to Close a Question Immediately

I personally like the "questions": I have a dataset consisting of vectors of numbers and I want to predict values from other vector of numbers. Any help will be appreciated. Thx Why it gets ...
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  • 113k
27 votes

Top $k$ List of Reasons to Close a Question Immediately

Not carefully developing a question to ask of your data As Scortchi put it (his ellipsis): […] How can I analyze these data? This quip exemplifies questions that describe a dataset and then ask ...
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  • 19.1k
27 votes

Why do people downvote old questions and answers?

When a person in 2017 is looking at an answer that may have been written in 2010 (say), it's not that person's responsibility to try to figure out if the answer might have been correct at some time ...
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  • 260k
26 votes

Top $k$ List of Reasons to Close a Question Immediately

"I am working on my dissertation..." Why is this a negative point? It may seem entirely natural as a lead-in, but it's a bad start. We think statistically (what else did you expect?). A large ...
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  • 48.9k
25 votes

Top $k$ List of Reasons to Close a Question Immediately

What was the chance of this strange personal coincidence? I am perplexed; I just ended a relationship with a guy and 1 month later I meet another guy who has the same first name and the same first ...
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  • 287k
24 votes

What are your thoughts on users who ask too many questions?

I presume this is a tongue-in-cheek self-reference, but the question is a good one. Let's take it as a general question -- so let us imagine that we face some case where someone posts a lot of ...
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  • 260k
23 votes

Top $k$ List of Reasons to Close a Question Immediately

QUESTIONS THAT ARE TYPED IN ALL CAPS Why these questions are closed Western languages differentiate between uppercase and lowercase letters. There are commonly agreed rules on when to use which. These ...
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22 votes

Top $k$ List of Reasons to Close a Question Immediately

It begins "How do I use SPSS to..." I was advised to do [procedure X] in SPSS. Here's a dump of the output. How do I interpret it? Yes, I am singling out SPSS because it is prominently ...
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  • 287k
22 votes

Top $k$ List of Reasons to Close a Question Immediately

A post that shows no concern for its readers does not deserve answers. Teh speling en gramar r 2 terse and so ful of misstakes that we can scarsely reed the queston. Its ovbious teh poster hasnt ...
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22 votes

I get surges of upvotes, and they are lumpy in time. Is this because the site is surfacing my questions all at once, or do I have a stalker/superfan?

I can answer this from the perspective of someone who has given clumps of up-votes to users at various points in time, often for old obscure answers. As Tim correctly points out in his answer, this ...
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20 votes

Are very elementary questions off topic on CrossValidated?

Elementary questions are on topic, and in no way form a basis for closure. It doesn't matter how elementary a question might seem, as long as it fulfills our other criteria for being on topic. ...
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  • 260k
20 votes

I get surges of upvotes, and they are lumpy in time. Is this because the site is surfacing my questions all at once, or do I have a stalker/superfan?

My best guess: someone found your answer that s/he liked, up-voted it, clicked your profile and found other answers s/he liked. There is no algorithm that bounces questions in clusters. What is ...
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  • 113k
19 votes
Accepted

Would you recommend phrasing questions controversially to provoke a response?

This part time cabinet maker and cross trainer will shortcut your power analysis with this one weird trick - statisticians hate him! Being provocative or controversial can garner more attention, but ...
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19 votes

Top $k$ List of Reasons to Close a Question Immediately

[We often don't close these - but I increasingly tend to think we should put them on hold until clarified] The title is: What test should I run? but which contain no indication of any question of ...
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  • 260k
19 votes

What's the best way to answer "my neural network doesn't work, please fix" questions?

Yes, it's common, and also on DataScience, AI, and Stackover itself. We are the nicest community, questions like that would easily downvoted to -6 on Stackover. I think we should: Try to spot any ...
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19 votes
Accepted

Are there questions on the modeling of the COVID-19 epidemic?

We did have a hot network question that involved COVID-19 (Mother milk of 6 Corona-positive (COVID-19) women does not contain the virus - can we make a confidence statement about this?), but it doesn'...
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18 votes

Top $k$ List of Reasons to Close a Question Immediately

Duplicates or near duplicates This site aims to collect questions and high-quality answers that are useful not only for the OP, but also for other readers who face the same question. This site exists ...
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18 votes
Accepted

Why do people downvote old questions and answers?

Votes on this site are highly noisy and so over-analyzing one-offs like this is a waste of energy in my opinion (especially because the criteria for what deserves an up/downvote are completely ...
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  • 1,456
17 votes

How to ask a "good" question on CrossValidated?

Writing good titles Mark Harrison's CW answer on Meta Stack Exchange brings a list of useful hints for writing meaningful Stack Exchange titles. These are an expanded version of that guidance. 1. ...
16 votes

Which site is the best to ask about reinforcement learning?

Reinforcement learning is on-topic here, and I hope our ML side grows as much as possible, so I hope you will ask it here. However, you should consider the nature of the RL topic about which you want ...
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16 votes

Top $k$ List of Reasons to Close a Question Immediately

How do I interpret this output? This kind of question consists of copying and pasting some output from your software and then asking us how to interpret the output. (In really bad cases, the output ...
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  • 48.9k
16 votes

Do you say "thank you" to commenters who solve your problem?

We commonly edit out "thanks" from the body of a question (see revision history on this Q). In the question, we want to get as quickly as possible to—and through—the relevant information. ...
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15 votes

Are "how to report in APA style" questions on- or off-topic?

How to present the results of statistical tests is on topic, I think we'd all agree; interpretation of a particular style guide's recommendations for application in a specific case might well be ...
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15 votes

Top $k$ List of Reasons to Close a Question Immediately

Posting a question as an introductory foray into conversation Hey guys! Well it seems to me like like your doing a lot of test anxiety around here. LOL Idont really understand this stuff, but ...
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  • 26.4k
15 votes

What to do about very different questions with very similar answers?

A posted question is a portal to information: the words and phrases it contains; the tags applied to it; the contents of any answers; and even its net votes and status (CW, etc.) are searchable. ...
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  • 287k
15 votes
Accepted

Is CV the right site for this question?

It's on-topic here because it is about machine learning, and machine learning is squarely on-topic here.
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