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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
  • 23.5k
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
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
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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
  • 139k
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
  • 325k
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 ...
Nick Cox's user avatar
  • 57k
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
  • 325k
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
  • 325k
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
  • 284k
19 votes

FAQ: Best Practices for Searching CV

This reply illustrates a search strategy by means of an example. The strategy consists of an iterative procedure whose objectives are, in order, Discover appropriate key words and search terms to ...
whuber's user avatar
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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 ...
Christoph Hanck's user avatar
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
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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 ...
Nick Cox's user avatar
  • 57k
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
  • 57k
13 votes

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

Questions that provide no information whatsoever. My favorite of these (which I think was on another list) is: "I have some data. Can I do a t-test?"
Peter Flom's user avatar
  • 122k
13 votes

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

I just invented a square wheel: is it a good idea? We often have threads where someone claims to have just solved some basic problem (usually with an equally basic solution, like "you just need to ...
Tim's user avatar
  • 139k
11 votes

How to ask a "good" question on CrossValidated?

Use tags Tags allow us to sort and filter questions into categories that we are interested in. If you tag your question well, you will increase your chance that an expert in your particular problem ...
Stephan Kolassa's user avatar
9 votes

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

Answer as soon as possible When I see this in a question I have an urge to close the question even without reading further. I do read further and usually close the question, because in most cases ...
Tim's user avatar
  • 139k
8 votes

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

Data is included... as a screenshot (or scan) We are often better able to help you if we know the data you have. However, a screenshot (or scan) of your data is usually useless. Please don't expect ...
Stephan Kolassa's user avatar
7 votes

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

Here's the entire train of thought I had from the moment I dreamt up the project till I just finished writing this question, including every irrelevant detail and conversation with my supervisor (who ...
mkt's user avatar
  • 18.7k
6 votes

Internet Support for Statistics Software

TensorFlow TensorFlow is an open-source library for machine learning that was developed by Google. It has detailed documentation on its web site. Bugs and feature requests can be posted and viewed on ...
6 votes

Instructions on how to use LaTeX on CrossValidated

Probably the easiest option is offered in the Operations Research site's MathJax FAQ: How do I use MathJax on this site? That answer lists three tools, the last one, MathPix, will convert a PDF to ...
Rob's user avatar
  • 2,100
6 votes

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

Please check my homework These questions post a routine exercise, give (often in great detail) an answer (that often is correct) and ask Is my answer correct? Why is this problematic? We are not a ...
whuber's user avatar
  • 325k
5 votes

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

What is wrong with my code? I am working on a statistical problem. Here are pages and pages of the code I wrote (followed by those pages). What am I doing wrong? Why this is problematic It ...
whuber's user avatar
  • 325k
4 votes

Internet Support for Statistics Software

PyTorch PyTorch comminity hosts a list of educational resources on their page, including Discuss forum and Slack channel.
4 votes

Internet Support for Statistics Software

Mplus Mplus is a latent variable modeling program. It offers a wide range of models, estimators, and algorithms to researchers. Its analysis capabilities include a variety of basic and advanced ...
4 votes

Internet Support for Statistics Software

Keras Keras is a high-level neural networks API, written in Python and capable of running on top of TensorFlow, CNTK, or Theano. It was developed with a focus on enabling fast experimentation. ...
3 votes

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

Is it okay for me to delete outliers or other data I don't like? This is a surprisingly popular question. It's usually phrased in terms of 'improving normality' or 'reducing noise' or 'improving model ...
mkt's user avatar
  • 18.7k
3 votes

How should we deal with obvious homework questions

"Obvious" homework? First, look at the questioner's SE network profile to see if the person is obviously a student or not. If the person is not obviously a student, consider assuming good faith (as ...
Jon Freed's user avatar

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