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.
-5
votes
0answers
84 views
General problem concerning how a random variable is defined [on hold]
I have noted what appears to me to be confusion concerning what is and is not a random variable. For example, the Wikipedia entry states
...
2
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0answers
47 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 ...
12
votes
3answers
223 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 ...
8
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1answer
140 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?
12
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3answers
258 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 ...
6
votes
0answers
154 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
votes
0answers
138 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
36 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
51 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
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1answer
180 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
204 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
198 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
76 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 ...
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votes
2answers
155 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
130 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
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0answers
219 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
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1answer
41 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
398 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 ...
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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 ...
0
votes
2answers
62 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
188 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
votes
1answer
88 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
votes
2answers
211 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
73 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 ...
2
votes
4answers
140 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
votes
1answer
208 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
votes
0answers
179 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
288 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
153 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
305 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, ...
4
votes
1answer
64 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 ...
3
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0answers
45 views
The tag [calibration]
From its excerpt:
Calibration can refer to predicting an explanatory variable from an observation of the dependent variable; to adjustment of measurements to agree with value of some standard; to ...
8
votes
1answer
156 views
How to deal with paralysed questions where the Original Poster is inactive?
Example case
The following question
"Unable to resolve the following parameters:" jags error for Latent Class Model
is a question that is more than two years old now. It has just been ...
6
votes
1answer
83 views
Modifying the title of duplicate questions
This question was recently closed as duplicate. I agree with this, but the title is now the title of the older question which is more restrictive than that of the new one (the old one is about two ...
9
votes
2answers
143 views
What to do with a question which is a duplicate of a question on Math SE
This question
What is a distribution over functions?
is a duplicate of
https://math.stackexchange.com/questions/2297424/extending-a-distribution-over-samples-to-a-distribution-over-functions
but I ...
14
votes
1answer
136 views
How can I figure out why my reviewer privileges were revoked and how can I get them back?
This question concerns me personally, but some parts of it might also be of general interest.
During the last week or so, I had been regularly reviewing first posts and late answers. Yesterday @gung ...
2
votes
2answers
78 views
Any evidence-based arguments in favor of the “comments are not for extended discussion” policy?
The SE universe has a "comments are not for extended discussion" policy, with the effect that if such an extended discussion occurs, moderators intervene and "move the discussion to chat".
I am a ...
8
votes
1answer
112 views
(How) can I make an on-topic question from this?
I posted this question on Software Recommendations. As it is getting no response, I think that I might try to make a meaningful chart for my friend, in Excel .
Actually, I would prefer someone else ...
7
votes
1answer
107 views
Do we really want a tag for Javascript?
We have a tag javascript (16 questions, 4 are closed). It was created in 2011. I saw it prop up again in the active questions feed earlier today.
No question is tagged only with javascript, and it ...
14
votes
0answers
182 views
What should we do with HW questions where the person says “I have no idea how to start”?
Our guidelines for homework question say to use the self-study tag and tell what you've tried. But what about when a person says, "I have no idea where to start?"
Should such questions be closed? ...
6
votes
2answers
127 views
Is it allowed to ask questions again if they did not get an answer last time
I asked this question at least 3 months ago: "Is there an intuitive understanding of the Halmos-Savage Theorem?" It's received two upvotes, but few views, and no answers or comments.
9
votes
2answers
229 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
135 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}{\...
9
votes
0answers
109 views
Please help again with review queues, even if they are short!
Again posts can linger for too long (days) in the review queues without resolution. Now not because the queues are long, they are short so people forgot to visit them. See my former question long ...
