Questions tagged [discussion]

The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.

2
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1answer
13 views

Incorrect use of the reliability tag

Thd reliability tag is meant for reliability of measurements, but today Calculating Failure Rate with Some Failure Cause Data being Vague (and certainly before) somebody used it in the meaning of "...
14
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2answers
112 views

Create a canonical question/answer for questions of the form 'Is my $R^2$/AUC/etc. good'?

I see a fair number of these questions from new members wanting to know how to interpret their model result. This is usually followed by a series of comments explaining that there is no general way to ...
8
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2answers
88 views

Should we start redirecting “why are my forecasts shifted one step ahead from the actuals” questions to a community wiki?

It seems like almost every other day now, we get a new post with somebody asking the question: "My forecasts look very good, they almost follow the actual to the letter, except that they are shifted ...
2
votes
1answer
66 views

Request to reopen too broad question about standard/best practice for dealing with discovered ancillary patterns not hypothesized

A couple of days ago I asked the question on main When conducting a study, what is standard practice with patterns you find along the way? and it was put on hold earlier this morning as 'too broad'. ...
0
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1answer
62 views

Is there a machine learning StackExchange?

Is there a research-level machine learning site in the StackExchange universe? I don't like Reddit's formatting system.
11
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2answers
285 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 ...
7
votes
0answers
264 views

Homework question put on hold for “demanding an answer” even though, I did show what my own thinking/approach to the problem was?

This post about a question that came up in a test was put on hold, presumably because I am "demanding an answer". But I'm not, I clearly explained what my thinking was and how it differed from the ...
0
votes
1answer
222 views

Just had 170 points removed. Excessive?

It is claimed that when a user is removed points will not be taken away when that would result in in an excessive loss of reputation. What is excessive? -170 points is more reputation than most people ...
21
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2answers
275 views

If someone answered my question outside CV, can I post the answer myself and accept?

I asked a question on CV and linked it to an author of a paper. They are not on CV, but gave me an answer. Is it OK to post it as an answer, as long as I say who it is from and that it isn't my own ...
12
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0answers
193 views

Irregular voting patterns

Without calling anyone out, I suspected someone of downvoting other answers than their own just to have theirs appear higher/attract more upvotes. However, I wasn't sure how to report this and more ...
9
votes
2answers
251 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 ...
18
votes
1answer
216 views

Community moderating vs systemic attacks

I see a lot of programming questions here. I remind people that programming questions are off-topic here, that they could be useful for Stack Overflow, and that the requirements are a minimal working ...
10
votes
1answer
119 views

How to answer questions about backpropagating specific architectures or functions?

There are quite a few questions asking how to run backpropagation when dealing with skip connections, residual networks, "mixed" RNN-CNNs, attention mechanisms, etc. I suspect the reason for the ...
14
votes
1answer
173 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 ...
25
votes
4answers
340 views

Should we make [deep-learning] tag a synonym for [neural-networks]?

We already have a thread on tag synonyms and merging the *-learning tags, but since deep learning is currently a hot topic, it probably would be better to discuss it separately. Should we make deep-...
5
votes
0answers
72 views

Are questions concerning deployment best practices on-topic?

I have a model built with time series data that I want to deploy. Sadly, I haven't found a lot of resources for this and I wanted to ask how to best approach this. The answer I am hoping for contains ...
13
votes
3answers
327 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 ...
11
votes
1answer
317 views

Why is math.SE more responsive than Cross Validated?

I am just wondering why it takes more time to get a response in Cross Validated than in math.SE. Is there any specific reason?
14
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3answers
310 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 ...
7
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0answers
237 views

Is there a way to solicit Cross Validated users to Commit to a proposed Operations Research and Analytics site (in Area 51)?

An "Operations Research and Analytics" site for Stack Exchange has been proposed https://area51.stackexchange.com/proposals/121892/operations-research-and-analytics, and is now in need of enough ...
16
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0answers
151 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 ...
2
votes
0answers
44 views

Someone upvoting my old answers at a rate of 2-3 per day [duplicate]

Think I am experiencing a weird stalk-upvoting behaviour this week. Every day I see 2-3 of my old answers being upvoted. And the upvoting started from the lowest-score answers (that had 0 score) and ...
2
votes
1answer
59 views

Can we resolve the lack of consensus about editors adding the self-study tag?

I recently looked over my list of reviews for 'suggested edits'. I found a fair number of cases where the majority vote was to approve the addition of the self-study...
11
votes
1answer
182 views

How to improve the description and usage of the [machine-learning] tag?

I've noticed that a specific user has engaged in a campaign to add the tag machine-learning to a number of posts that do not mention machine learning, particularly posts about neural-networks. I don'...
10
votes
2answers
207 views

Should we remove the “datasets” close reason from the list?

Our recent proposal for adding one more close reason was declined. The reason was that we could re-use the "datasets" reason Questions about obtaining specific datasets are off-topic on Cross ...
2
votes
2answers
97 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 ...
9
votes
1answer
202 views

Are “What is State of the Art for Machine Learning in X” on topic?

I often need to discern what the State of the Art (SOTA) is for certain Machine Learning Applications, which I currently ask on the Fast.ai forums. For example: How does Deep Learning deal with ...
0
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0answers
77 views

Why is this question of mine closed? Have I not improved it?

I'm wondering why this question of mine got closed? It was voted for On-Hold, by a moderator. He said I should improve it. I tried to improve it. It has 3 votes to reopen, and yet it got closed. ...
9
votes
2answers
198 views

If OP asks for a software referral, and a referral *doesn't* exist, may we answer with the code they asked for?

If an OP asks for a R library recommendation (policy under debate in another meta thread, I realize), and no acceptable recommendation exists, what is the policy regarding writing and posting code ...
-5
votes
2answers
157 views

Is my closed question without merit?

As per the moderator my question isn't appropriate: Variance formula amplify outlier instead ignoring it! I am learning stats and I tried many resources over internet and books but I could not get ...
6
votes
1answer
135 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 ...
19
votes
0answers
221 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 ...
3
votes
1answer
42 views

PSPP has no dedicated tag

A meta question: how come https://en.wikipedia.org/wiki/PSPP has no tag of its own? Its users are more command line driven than SPSS users which are more GUI driven....
11
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3answers
400 views

Is a sole answer with a down vote worse than no answer at all?

I was the only responder to a question recently. The question betrayed some misunderstandings on the part of the asker, and while my response was accurate, respectful and responsive, it also asked and ...
-10
votes
2answers
96 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
2answers
63 views

Can we fix up the “Should we trust statistics?” question

I was just writing up an answer to this question when it was decided that it should be closed. I understand why it is closed; the title alone makes it seem both a bit inflammatory and opinion based, ...
11
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0answers
195 views

Canonical duplicate for “Why do predictions vary less than observations?”

Two recent questions: Regression - variance of predictions much lower than variance of target, which I voted to close as a duplicate of Regression predictions show far less variance than expected I ...
8
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1answer
89 views

Is there a “requests for reopen” queue here on meta?

Is there a "requests for reopen" queue here on meta? I can't find it view a Google search restricted to stats.meta.stackexchange.com nor via a search within meta.
10
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2answers
214 views

Extract software-specific default close reason

Almost four years ago there was a discussion on Meta that lead to formulating the "not about statistics" default close reason description as following: This question appears to be off-topic because ...
2
votes
1answer
74 views

Why do we close programming questions instead of migrating them to SO?

I have the (possibility wrong) impression that most programming questions are closed with the motivation "this is not about stats, but about programming, or etc.", rather than being migrated to SO. ...
4
votes
1answer
43 views

Why was this reinforcement learning question migrated to AI.SE?

I noticed that this question https://ai.stackexchange.com/questions/10196/why-does-is-make-sense-to-normalize-rewards-per-episode-in-reinforcement-learnin was migrated to AI.SE. I think that it is ...
4
votes
4answers
170 views

Community Promotion Ads — 2019

2019 is here! And with the new year, as usual, comes a new iteration of Community Promotion Ads! Let’s refresh these for the coming year :) What are Community Promotion Ads? Community Promotion Ads ...
22
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1answer
216 views

Best Practices for Searching CV

Over the course of almost nine years, we have amassed a body of good answers to many clearly stated questions: one of our site's principal goals. To be useful, though, these answers have to be ...
6
votes
1answer
117 views

artificial-intelligence tag

We have 178 questions tagged as artificial-intelligence. As you can guess, those questions do not seem to differ anyhow to the questions tagged as machine-learning. Should we map artificial-...
1
vote
1answer
49 views

Creating a tag for sets

I find there are some questions about sets, but there isn't any tag about it. I would like to ask questions about them and learn more about them. Thus I thought about creating a new set tag to group ...
13
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0answers
191 views

2018: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, ...
12
votes
1answer
211 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, ...
17
votes
1answer
294 views

Do you flag absolute nonsense questions?

Here: https://stats.stackexchange.com/questions/381309/cobbler-needed-right-now Is a "question" from a bot or a troll. Do we ever bypass "vote to close" and use the flag function if a Q is complete ...
8
votes
2answers
163 views

Do we need a canonical thread about stock trading? What would it address?

I've noticed that stock trading is a prominent theme among reinforcement-learning and neural-networks and deep-learning questions. I think this is because (1) stock trading is an easy problem to ...
13
votes
2answers
312 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, ...