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56 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 ...
Silverfish's user avatar
  • 23.8k
32 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 ...
Matthew Drury's user avatar
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 ...
gung - Reinstate Monica's user avatar
28 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 ...
Kodiologist's user avatar
  • 20.4k
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 ...
Tim's user avatar
  • 140k
27 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 ...
Nick Cox's user avatar
  • 58.6k
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 ...
Glen_b's user avatar
  • 286k
26 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 ...
whuber's user avatar
  • 328k
24 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 ...
Stephan Kolassa's user avatar
23 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 ...
whuber's user avatar
  • 328k
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 ...
whuber's user avatar
  • 328k
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 ...
Ben's user avatar
  • 129k
21 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 ...
Glen_b's user avatar
  • 286k
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. ...
Glen_b's user avatar
  • 286k
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 ...
Tim's user avatar
  • 140k
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 ...
SmallChess's user avatar
  • 7,291
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'...
gung - Reinstate Monica's user avatar
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 ...
Christoph Hanck's user avatar
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 ...
gammer's user avatar
  • 1,497
17 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 ...
Alexis's user avatar
  • 30.3k
17 votes
Accepted

Is it appropriate to ask about plotting/graphing/visualizing data here?

If the question is purely about how to make the plot in some software, but you know which plot you want to make, it is off-topic here, and better asked at https://stackoverflow.com/. But if the ...
kjetil b halvorsen's user avatar
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 ...
Nick Cox's user avatar
  • 58.6k
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. ...
gung - Reinstate Monica's user avatar
15 votes

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

Can anybody help me? The kind of question here often starts "I am an X working on Y" with perhaps a little more detail, and then ends with an open request for help. Why is this a bad question? Isn'...
Nick Cox's user avatar
  • 58.6k
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 ...
Scortchi - Reinstate Monica's user avatar
15 votes

How to ask question that makes you famous and highly upvoted?

Include any XKCD drawing.
whuber's user avatar
  • 328k
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. ...
whuber's user avatar
  • 328k
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.
Sycorax's user avatar
  • 92.5k
15 votes

Why is my question about replicating a figure from Hastie et al. not appropriate?

The question is clear and well formulated, so please don't take anything in this answer to be critical of your craftsmanship. But when code doesn't do what you want it to do, there are two kinds of ...
whuber's user avatar
  • 328k
15 votes

Why is my question about replicating a figure from Hastie et al. not appropriate?

I agree with @whuber's answer, but another issue is that you are implying multiple questions in a single post: What does $\mathbb{E}||\hat{\beta}(k) - \beta||^2$ in the y-axis of fig. $3.6$ of ...
Frans Rodenburg's user avatar

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