Questions tagged [on-topic]

Use this tag when examining what is on-topic or off-topic, and why, and how to deal with off-topic questions.

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70
votes
11answers
2k views

CV and Data Science: semi-identical twins?

I would like to reopen the discussion regarding CV and the Data Science beta. This question is related to this previous one: Data Science SE but now with a better view of where Data Science seems to ...
38
votes
5answers
2k views

Data Science SE

I noticed the ad on the main site today for the data science proposal, which evidently is 77% committed. Some of the people committed to the proposal are users on CV. Most of the questions listed ...
28
votes
2answers
562 views

Are very elementary questions off topic on CrossValidated?

In a thread on the main site someone said very elementary questions are off topic It looks like someone upvoted his comment so maybe he's right. Around that same time @gung told me to be cautious ...
27
votes
4answers
2k views

Stack Exchange site to ask questions about computer vision?

I am using machine learning techniques for computer vision. However, I am unsure of where to address my questions about computer vision. Sometimes the questions are about manipulating the image and ...
26
votes
3answers
510 views

“Help I have some data and need to analyse it what do I dooo?”

I have been on this stackexchange long enough now to see there is quite a lot of questions along the lines of: Help, I'm a data science intern/amateur statistician and I've been given a load of ...
22
votes
5answers
773 views

R-specific StackExchange site or greater integration of R community within CV?

There has been discussion over how more of the R community could be brought into the StackExchange fold. (See also this Question on SO Meta.) If I were to sum-up feelings expressed thus far, we are ...
22
votes
3answers
520 views

What to do about “wrong” questions?

We sometimes get what I would describe as "wrong" questions. For instance, a perennial favorite seems to be questions about binning continuous variables, like What is a best way of binning non-finite ...
22
votes
1answer
164 views

For “obtaining specific datasets” questions, let's recommend OpenData.stackexchange.com

Many of the questions closed with the reason "obtaining specific datasets" would actually be good questions for Cross Validated's new little brother: http://OpenData.stackexchange.com When closing ...
21
votes
5answers
242 views

Should questions about comparing the output from different statistical software be on topic here?

For instance, this question asks about why R and SAS give different results in a multi-level model. I think this sort of question is more likely to get an answer here than elsewhere. R list users may ...
20
votes
3answers
598 views

What does Cross Validated aim to be, who is it for?

There has been a lot of discussion about software-related questions on CV (see here or here for examples...). And yet there is still no clear idea and guidance on what CV is, what it strives to be and ...
20
votes
1answer
446 views

Does advanced probability theory belong on stats or math stackexchange?

Obviously probability is discussed often on CrossValidated, as it's a solid foundation of both frequentest and Bayesian statistics. However, when someone wants to ask a question concerned with more ...
20
votes
1answer
437 views

After Data Science SE: Artificial Intelligence SE

The Artificial Intelligence SE is now in private beta phase, and it looks like most questions asked there are on-topic here. There is already another SE with a large overlap, namely Data Science SE. ...
19
votes
5answers
859 views

Where can I ask questions about “operations research”?

Where should questions about operations research be asked? Is cross validated appropriate or are other sites within SE network better suited? I have had a look at https://www.or-exchange.org/...
19
votes
3answers
876 views

ML questions: here or at Data Science?

Should questions about machine learning (ML) be asked here or at Data Science.SE? When Data Science was still a proposal, the discussion indicated these questions should be asked here. Later ...
19
votes
2answers
255 views

Are mathematical optimisation questions on topic?

I asked about integer programming before on CV and it was locked as off topic. I'm unable to find a site dedicated to math programming and optimisation on stack exchange. Any one has idea?
19
votes
2answers
845 views

What's wrong with this question about datasets?

This question seeking example datasets was recently closed as off-topic. Per the FAQ, Questions about obtaining particular datasets are off-topic (they are too specialized). As I interpret ...
19
votes
0answers
238 views

Questions asking for statistical package recommendations: how do we differentiate in vs out of bounds for CV?

Recently, I asked for a recommendation for R packages that were capable of doing latent class analysis with mixed indicator types and were capable of doing latent class regression (i.e. treat the ...
18
votes
10answers
605 views

What is on topic on Cross Validated?

There have been many threads on CV-meta about whether questions are on-topic, off-topic, are too-localized, etc. For example: Are "find the distribution" questions on topic? Is a ...
18
votes
2answers
289 views

Where to learn about R packages?

Questions about R packages are off-topic on SO, and since programming questions are off-topic on CV, a fortiori packages questions, which are about programming (in R) are off-topic on CV. That's why I ...
18
votes
2answers
293 views

Shall we add “this is just a software question” to our default close reasons?

Our community-modifiable default off-topic close reasons are Self-study questions (including textbook exercises, old exam papers, and homework) that seek to understand the concepts are welcome, but ...
17
votes
3answers
466 views

Should all “book recommendation” questions be classified as community wiki?

Recently I came across with a question that was asking for book recommendation in an expertise area related to statistic. Then, I was checking for duplicates and I realized among all book ...
17
votes
0answers
158 views

Closing “software questions”

TL;DR: Recently, it seems to me like we have been a little trigger-happy about closing questions as "only about software/programming". I ask that we please ease off a bit. Our help page on ...
16
votes
2answers
178 views

Are questions about teaching specific concepts appropriate?

I would like to ask a question about how to teach a specific statistical concept (sampling distributions) to a specific group of students (social science undergraduates), something that has proved ...
16
votes
1answer
251 views

Can any of the people involved in the migration of this question explain why?

This question was just migrated to stackoverflow (well, an hour ago). As far as I can see a great deal of it's pretty solidly on topic here. "What is this function called?" is not a SO question, it'...
16
votes
0answers
159 views

Are “stats-review” questions on-topic?

I'm dealing with a question on Stack Overflow that's really a "stats review" -- not technically a code review ("is this code OK?"), but "is this statistical approach OK?" This strikes me as ...
15
votes
4answers
221 views

Should I opt for a comprehensive answer at the price of making it a long one?

I am rather new to the .SE sites (started with math.SE and then expanded to CV) but during these last three months I had some time on my hands and I have answered a fair number of questions (93 in ...
15
votes
2answers
491 views

Are the “Machine Learning” questions on topic?

Please take a look at this proposal: Machine Learning > On Topic I would like your opinion if these on-topic questions would be welcomed on this site: I am using a neural network with the ...
15
votes
2answers
440 views

A difficulty with self-study-like questions of the form “Is this correct?”

I've seen a spate of questions of a form more or less along the lines of "Is this working correct?" just lately. While this is good from the point of view that the poster is clearly making a proper ...
15
votes
3answers
321 views

This opinion-based question must be closed

The question What must someone know in statistics and machine learning? is not suitable for the stats.SE format because it is primarily opinion-based. I believe that much is obvious on its face. OP's ...
15
votes
0answers
195 views

My question (on R/C/C++ libraries for a specific task) wrongfully put as off-topic

My question Libraries for Siamese networks put on hold as off-topic because, as gung claims, "questions asking for software, libraries, or code are off topic here". There is no sentence "questions ...
14
votes
2answers
237 views

Are machine learning questions about an incorrectly working piece of code considered on-topic?

I've seen a few questions like this lately: Backpropagation in multi-layer perceptron (MLP) doesn't converge They don't seem programming questions to me: the code is syntactically correct, ...
14
votes
2answers
279 views

Are puzzles on-topic on CV?

On StackExchange.com we have puzzles-dedicated site https://puzzling.stackexchange.com/ and https://codegolf.stackexchange.com/ for coding puzzles, math puzzles appear on math.stackexchange.com and ...
14
votes
3answers
294 views

Is it ok to post questions where you want to have your calculations checked by someone? [duplicate]

I am always second-guessing my calculations and to be honest multivariate calculus is not my strong point. Is it all right to post questions where you have done the derivations but would like more ...
14
votes
1answer
177 views

Question about math notation closed as off-topic

The question "What is sigma function in the YOLO object detector?" has been closed as off-topic with the usual explanation: This question appears to be off-topic because EITHER it is not about ...
14
votes
1answer
163 views

Answering off-topic questions. Appropriate?

Sometimes I see off topic questions which have a very simple answer. Here's an example: https://stats.stackexchange.com/questions/254623/confidence-interval-for-anova-in-spss. It's clearly off topic, ...
14
votes
1answer
206 views

Is optimization off-topic?

I came across this thread today. Why not use the third derivative? It has a very good discussion both in the comments and in the answers, yet it was closed as off-topic because it is about ...
13
votes
2answers
205 views

Is it okay to ask question about a specific paper / model?

I am reading a paper on multiple change-point model and do not understand one of the equation. Is it considered on-topic to ask questions about a paper like that? On the one hand, it's clearly ...
13
votes
2answers
360 views

Overlap with ai.stackexchange and datascience.stackexchange

I found that quite a few tags are present at each of these sites in the SE universe: Artificial Intelligence (AI) Data Science (DS) Cross Validated (CV) For example: reinforcement-learning (AI, DS, ...
13
votes
2answers
117 views

Are questions about data definitions and research demographics in scope?

My interest in statistics is less on the math side but more on the use and misuse of objectively-valid statistics for political and economic purposes. Are non-math questions that involve issues of how ...
13
votes
3answers
351 views

Shouldn't CV be a valid resource on how to implement non-trivial statistical models in different software?

Currently the Help Center > Asking states that questions are on-topic if they're about "statistical analysis, applied or theoretical", and whenever it's about programming "if it needs statistical ...
13
votes
2answers
120 views

What to do if a question is both unclear and about software?

Recently, I've seen several questions marked as "unclear what you are asking" when the question is both confusing and about software. If we mark it "unclear what you're asking" then the OP may try to ...
13
votes
2answers
134 views

Should the Open Data SE be linked to from the “On topic” help center page?

The Help Center has a page for What topics can I ask about here?. Part of it states: Questions about obtaining particular datasets are off-topic (they are too specialized). The GIS site welcomes ...
13
votes
0answers
128 views

Flagging very old questions

I have today been flagging some very old questions that are very low quality. The reason I'm doing this is because they still show up in the "unanswered" section of the site, but they are very ...
12
votes
8answers
565 views

Dealing with “do my professional work for me” questions?

There has been some discussion on CV Meta of how to deal with homework questions and also job-related questions. Either can be unreasonable in certain cases, but the latter really annoy me, since they ...
12
votes
5answers
442 views

How much programming here?

Of course in context of R-versus-Clojure, I felt it needs external discussion. So, I believe that there are two possible sorts of such questions: An algorithmic question like, "How to implement X?" ...
12
votes
1answer
441 views

Is “data-preprocessing” on topic for CV?

I was reviewing first post questions and came across one seeming totally off-topic tagged data-preprocessing. Curious, I found a lot of ML questions invoking this tag. My gut says "data-preprocessing" ...
12
votes
2answers
113 views

Algorithms apparently off-topic: should we edit the help page?

Our help page What topics can I ask about here? says:– If your question is about Programming, ask on Stack Overflow. If the language is statistically oriented (such as R, SAS, Stata, ...
12
votes
1answer
266 views

Which site is the best to ask about reinforcement learning?

Reinforcement learning is part of ML and I know ML is a good topic here. However, I know there is a data science and a computer science site (and maths etc). I was wondering, where would a ...
12
votes
0answers
54 views

Improve closure-to-migrate voting

We often get questions that focus on how to do something using R (or Python, rarely SAS, MS Excel or others), with little to no statistical content. Such questions are off-topic and should be closed. ...
11
votes
2answers
120 views

Why is data collection listed as on topic, but a data collection question was closed as off topic?

After reading the third point (collecting data) on this list, I asked this question (What is the best way of collecting birth rate data?). My question is: why is "collecting data" listed as on topic, ...