Questions tagged [questions]

For questions regarding the nature of a "question" on Cross Validated; e.g. how to ask, whether specific questions are appropriate, etc.

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10
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1answer
255 views

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

I have this question of etiquette. I was wondering if at the end of a discussion in the comment section a question, once my doubt has been clarified, should I add a final comment thanking the person ...
-7
votes
1answer
164 views

Why can some people close others answer

So , it has been quite some time i started using this platform , and I was just looking at few questions that showed " this question is not accepting any answers " which means it must have ...
2
votes
1answer
97 views

Does this question belong here or ELL?

I have the question below. I think it is more about statistics than English. Thus, it would belong here. However, one might argue that it has too little statistical substance to merit posting here, ...
0
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0answers
91 views

Difficulty finding an answer to a specific question and difficulty with wording

3 months ago I asked Probability Mass Function making the Truncated Normal Discrete I can't seem to get enough attention to get multiple attempts to answer the question probably because of my poor ...
8
votes
2answers
106 views

Help me frame a question on the relevance of the frequentist model to real world applications in a way that it's on topic on CV

It's been a long time since I've been active on CV and I don't want to botch it by asking an off-topic, opinion-based, or duplicate question. Here is my attempt: How to answer to critiques about the ...
10
votes
2answers
108 views

What are some "best practices" for editing to improve a post?

We already have another excellent question on CV.SE setting out editing dos and don'ts, but that mostly focuses on the limitations that apply to editing other people's posts, rather than the substance ...
6
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1answer
270 views

Why is motivation important

Why should questions contain motivation and why does the absence of motivation make questions ambiguous? I wrote this question Probability Mass Function making the Truncated Normal Discrete and it was ...
13
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1answer
217 views

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

I'm a bit surprised that this seems to be the only spot of the Internet which hasn't been taken by storm by the COVID-19 infodemic (not necessarily a bad thing). Am I right, or has there been a raise ...
2
votes
1answer
70 views

What could be the possible reasons behind people posting substantial questions in CV chatroom?

I know that asking questions in chat is bad, discouraged, doesn't give proper chance to clarify doubts, bypasses quality control and undermines the purpose of the site itself. But could someone, ...
8
votes
1answer
279 views

What should the description for our general chat room be?

Our general chat room is Ten fold. We sometimes describe it as being, "just for gossip and grumbles". People occasionally ask substantive statistics or machine learning questions there, and we often ...
5
votes
1answer
113 views

Is Cross Validated an appropriate place to ask for examples of meta-analysis done well?

I'm teaching myself how to do meta-analysis, and as a beginner to the subject I would like to read journal article examples of meta-analysis done well. It's easy enough to find examples of meta-...
1
vote
1answer
78 views

Asking about which hypothesis testing technique? - My question is on hold

How should my question be rephrased such that you will reopen it? 3+ dependent variables, which test for measuring dependency? I'm essentially trying to figure out how to show the relationship ...
6
votes
1answer
92 views

Why is something flagged as "opinion"?

I entered the following question: How do you calculate an exact two-tailed p-value using binomial distribution? The system generated a warning that this "appears to be an opinion" and "is likely to be ...
11
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2answers
354 views

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

I asked this question earlier today but was quickly put on hold with a generic comment. I can only assume the question is on hold as it has been interpreted as being a coding question. It is clear ...
9
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2answers
275 views

Would this dice question be on topic if it were posted or migrated here?

RPG.SE is currently having a bit of a vigorous discussion about this question about dice rolling (meta thereupon), in which this stack was brought up as a potential migrate target. There is a dice ...
2
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2answers
100 views

Question titles cannot be similar to those of a closed question

I wish to ask a question with a similar (or identical) title to a question that is closed. But I'm not able to do this. It seems to me that this is a mistake. If the previous question is closed ...
6
votes
1answer
146 views

Is this question mentioning Keras off-topic?

Image classification with large images in R keras OP mentions keras a couple time, but to their credit, they don't include code. I'd like to answer the question, but I wonder if I should comment ...
-11
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2answers
163 views

Questions on reinforcement learning topics would be better suited for AI Stack Exchange

I've notice that there are several unanswered questions on RL topics on this website. More specifically, about 1/3 (221/617) of the questions on RL on this website have not received an answer. This ...
1
vote
0answers
28 views

How do you notify that you edited your question if was put _on hold_? [duplicate]

I asked a question and it turns out now is [on hold] because 'it's unclear what I asked' I edited hoping the unclear step was that but I am not sure if it was that. How do you notify the people who ...
12
votes
1answer
214 views

Do we have an authoritative answer on why validation accuracy can oscillate or even increase, when validation loss keeps increasing?

I know that accuracy is an improper scoring rule, thus it shouldn't be used to choose among classifiers. In particular, it should not be used to choose the best hyperparameters for a NN. However, ...
4
votes
2answers
219 views

Why was my question deleted if It was not even on hold nor closed?

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 ...
5
votes
1answer
69 views

What is our stance on website recommendation questions?

What is our stance on website recommendation questions? Are they on-topic or off-topic? Assume that the website recommendation pertains to statistics / machine learning. Example: Is there any web-...
9
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2answers
350 views

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?

Question is in the title. This morning I wake up to 40 more points, on various questions that I had asked since I started using this site years ago. Yesterday I had something similar. Is the site's ...
6
votes
1answer
136 views

Should I ask this mathematical statistics question here or on math.se?

I would like to ask the following question: if $M$ is a $m\times n$ constant matrix and $\eta\sim\mathcal{N}(0,I)$, then does $$\mathbf{E}_{\eta\sim\mathcal{N}}\left[\frac{\lVert M\eta\rVert}{\...
14
votes
2answers
720 views

Is there a generic question to which we can redirect questions of the type "why does my neural network not generalize well?"

Thanks to Sycorax, we have an excellent question which can be used to close as duplicate (most of) those questions about neural networks which can't overfit the training set: What should I do when my ...
0
votes
1answer
71 views

How to edit my question on RBF kernel in Python so that it gets reopened?

Can someone advise on how to rephrase this question to be acceptable? How to tune `gamma` parameter of precomputed RBF kernel in Python using `gridsearchCV` and `pipeline`?
5
votes
1answer
118 views

Finding question with an interesting comment about ReLU activation functions?

A few months ago, I read an interesting comment by user shimao to a question, which linked to a YouTube video where some lecturer (a mathematician, I think) showed how ReLU activations don't solve the ...
33
votes
3answers
6k views

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

I've observed that we tend to get a number of questions in the vein of "I'm training a neural network and the model is not effective (for some definition of effective). Please help me fix it.&...
0
votes
0answers
50 views

Finding a question similar to this one

I recall seeing a question on VAEs last week, similar to this one but more verbose: Variational Autoencoder VS Normal Autoencoder I remember the term "understand the basic math behind [them/VAE]" so ...
9
votes
1answer
286 views

Is CV the right site for this question?

I just asked the following question: What are attention mechanism exactly? It seems that attention-related questions haven't received answers on this site. Is this the right site for these questions?...
1
vote
0answers
72 views

How to improve the following question

A new user asked this question: Neural Network for Foreign Exchange Prediction In my opinion it's quite good as a first question, but it's hard to answer. I'd like the help the OP improve it. ...
10
votes
2answers
113 views

Is it on topic to ask a question looking for authoritative/canonical references to read on a topic?

I am trying to learn about non-response/dropout bias—and how to correct for it. I do not know this area well. Is it on-topic to ask for authoritative/canonical/highly-cited/classic references on this ...
8
votes
1answer
156 views

What to do if we see cross-posting

This question fitting a distribution to survival curve in R has been posted as an exact duplicate on Stack Overflow https://stackoverflow.com/questions/48137772/fitting-a-distribution-to-survival-...
4
votes
1answer
47 views

How do questions actually convert to community wikis?

I stumbled upon this question which, aside from being in need of some cleaning up, is not "answerable" as much as it's an open community wiki. Common statistical tests as linear models How do users ...
15
votes
3answers
312 views

Should we expect some effort to study statistical issues before posting questions?

I'm seeing a steady worsening of statistical preparation on the part of those posing questions to the site. If I wanted to start an engineering project, I think I would talk to an engineer before ...
5
votes
0answers
78 views

Should my two part question be asked separately?

I've asked a question about error analysis and included a follow up question which is strongly related to the first one. I'm unsure whether it would be best to post them as separate questions. I'm ...
3
votes
1answer
107 views

Creation of "Topics" Instead of Questions, for Linking with Course Notes

For background details see http ://www.fharrell.com/2017/08/integrating-audio-video-and-discussion.html I am interested in using stats.stackexchange as a place to ...
5
votes
1answer
54 views

What happens to reputation if an upvoted answer is moved to another SE site?

As per object: if a question which received some upvotes is moved to another SE site, what happens to the OP reputation? Does her/his reputation on CV decreases, and the reputation on the other site ...
-3
votes
1answer
190 views

'Cultural differences' between statsSE and mathSE

Notwithstanding that both statsSE and mathSE are both stackexchange sites, and share a similar subject matter, often attended by the same or similar groups of people, I have noticed what I would ...
12
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2answers
153 views

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

I have noticed several times that some questions are flagged by some as "duplicate" questions when the questions appear very different but have similar answers. The questions are asking about very ...
7
votes
2answers
264 views

Celebrate 100,000 questions in Sydney, Australia?

How should we celebrate reaching 100,000 questions? I'm not sure this'd even work... But let's see. I nominate 22nd April Saturday, 3pm gather for coffee breaks in Sydney CBD. Let's me briefly ...
20
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2answers
460 views

How should we celebrate reaching 100,000 questions?

We currently have over 99,000 questions asked. I think we should celebrate when we reach the 100,000 mark.
5
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1answer
53 views

How to offer a bounty on a question with unsatisfactory answers?

I am very interested in a straightforward definition of the concept "positive regression dependency on each one of a subset" (with straightforward example a plus) as described by Benjamini and ...
8
votes
2answers
87 views

Can I ask for a recommended analysis technique?

I don't know much about statistics, and I don't know enough to know e.g. terms to search for in a web search. However, I have a specific data set, and a list of goals I'd like to achieve in an ...
28
votes
2answers
575 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 ...
6
votes
2answers
546 views

Why do people downvote old questions and answers?

This applies to many of us who have been members of this site for many years. Some of my old questions and answers get reviewed periodically. This is fine. Members have a right to upvote or ...
15
votes
2answers
256 views

Should new users be allowed to provide questions similar to others?

Recently on CrossValidated I have found that new members may not have studied all the rules prior to asking their first question. I find that moderators and other users will quickly vote to close ...
6
votes
1answer
52 views

Possible timestamp error of posted question?

See this question, which according to OP was posted in october 2016: Systematic Component of Variation, and its comment thread: I put the question in October 2016. There is something wrong in the ...
9
votes
1answer
116 views

Soliciting feedback vs asking a question

Is it ever appropriate to share one's thoughts on a topic as a way to garner constructive feedback and opinions from the community instead of asking a direct question, or is there another place for ...
4
votes
1answer
95 views

Can I cross-post a question which answer I'm not satisfied with?

For Gaussian distribution matrix $X$, find $E(F(X))$ and $\sigma(X)$ s.t. $F=\sum f(x_i)P_i,$ given $E(f_i(x_i)),\sigma(f_i(x_i)) \forall i$ While jbowman answers my question, I am unsatisfied. I ...