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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
28 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....
8
votes
1answer
220 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
0answers
68 views

What is a good question and what is a clear one, how can I get the moderators to reason specifically and thoroughly their decisions concerning myself? [closed]

I have a question about my Cross Validated post: In a truncated normal distribution truncated at points a and b how can the mode(μ) coincide with the mid-range((a + b)/2)? Semper necessitas probandi ...
-9
votes
2answers
90 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
58 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
180 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.
9
votes
1answer
133 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
66 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
42 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
3answers
76 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 ...
21
votes
1answer
174 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
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1answer
116 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
48 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
165 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
277 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
150 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
290 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, ...
3
votes
1answer
62 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
votes
0answers
44 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
154 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
134 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
77 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
126 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.
6
votes
2answers
187 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
134 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 ...
5
votes
1answer
101 views

What to do with a question which asks about R packages and how to fit RBF networks

This question How to fit a RBF network in R? asks an off-topic question (which R package to use to fit RBF networks) and a question which, while on-topic, is very likely a duplicate. Should I close ...
11
votes
1answer
148 views

Where is our canonical answer to questions about normality of residuals and inference?

We get questions about the normality of residuals from models, e.g., Dependent variable - bimodal? Often, as in this example, it turns out that the OP wants to perform inference on model parameters ...
4
votes
9answers
603 views

Cross Validated's updated site theme is ready for testing!

As part of implementing the new unified themes across the network, we're gradually rolling out updated site themes for each site. As of today, we have enabled your updated site theme for testing. If ...
8
votes
5answers
172 views

What to do when an on-topic question has already been posted on another SE site?

The question, Properties of MLE (minimal sufficient and complete) on a restricted parameter space was, per the comment, already posted on the math site. Moreover, people have been voting to close it (...
12
votes
5answers
337 views

Can we somehow fast-track the achievements that are necessary to get particular people more administrative rights?

A gold tag badge requires 1000 votes in at least 200 posts. Could we not fast-track the rights that relate to such badges? The current rate at which people (especially non-moderators) acquire these ...
11
votes
2answers
253 views

Mentioning commercial/freemium product that I developed in my answers

I am an expert on the topic and answered a set of questions. I am wondering if it is OK to mention the solver that I develop given that it is commercial but has freemium plans. All my answers are ...
7
votes
1answer
147 views

Should we have a canonical question about coincidences?

Right now, this question is marked for closing as a duplicate of this one. Yet the titles and subjects are totally different at first glance - and someone searching for something similar will have ...
-8
votes
1answer
96 views

Convert our canonical neural network threads to community wiki?

We have at the present two threads on canonical solutions to common neural network pitfalls, thanks to initiative of @Sycorax and @DeltaIV: What should I do when my neural network doesn't learn? ...
8
votes
1answer
98 views

Reviewing suggested edits for questions on hold, when they don't address the main problem

When I'm reviewing suggested edits, I occasionally encounter suggestions for questions that are on hold. These suggestions tend to tidy the question up a bit, fixing a bit of grammar and formatting. I ...
13
votes
2answers
188 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 ...
2
votes
0answers
62 views

Is there a way to contact a specific moderator directly?

DISCLAIMER: This isn’t about any moderator decision directly regarding me (I don’t think I was ever subject to a direct moderator decision, or if I was, I forgot :-) As for the title, I’d like to ...
14
votes
1answer
201 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 ...
22
votes
5answers
397 views

Is a quick-and-dirty answer better than no answer?

I find that many questions go unanswered for lack of a great answer. That applies to both CV and here on CV meta. Whether this is due to brain drain, or a flood new users, or perfectionism, is hard to ...
3
votes
5answers
247 views

Is there a difference between the mission statement of this site and the direction the site has taken? [closed]

The mission statement of this site includes the sentence "With your help, we are working together to build a library of detailed answers to every question about statistics." In particular, there ...
7
votes
0answers
33 views

Best practices for answering questions about bad practices? [duplicate]

I'm interested in general suggestions/discussions about how to answer questions that are requesting advice on how to perform an (arguably) ill-advised statistical practice. There are various degrees ...
6
votes
1answer
130 views

When closing old unanswered but upvoted questions, consider downvoting down to zero (right?)

Some of us are actively scavenging old questions and voting to close some of them as off-topic or unclear. This is great. If such a question has zero score, then it will be automatically deleted ...
7
votes
1answer
93 views

Answer in question marked as duplicate is superior

The following question (let's call it A) Unequal sample size one way ANOVA has an accepted, upvoted answer. It is also marked as a duplicate of the newer question (B) Unequal Sample Sizes One-Way ...