# All Questions

1,477 questions
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 "...
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 ...
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 ...
65 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'. ...
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.
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 ...
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 ...
67 views

I have a question about my Cross Validated post: Statistics: what kind of test to use to test this hypothesis? A member commented on my question in detail, and that comment did answer my question. I ...
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 ...
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 ...
56 views

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### Can (should) I delete a question that gained no attention to re-create it with a simpler formulation?

I recently made a question that gathered no attention: Bootstrap and numerical optimization of statistic. I think I've come up with a much simpler and to-the-point way of asking the same thing (...
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 ...
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 ...
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 ...
119 views

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 ...
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 ...
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-...
36 views

### How often/how quickly do community ads get posted?

I posted an ad to the Community Promotion Ads - 2019 thread, and the ad has had the requisite 6 votes for several days, but as far as I can tell it has not yet run on the Q&A site. Just wanted to ...
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 ...
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 ...
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?
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 ...
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 ...
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 ...
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 ...
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...
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'...
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 ...
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 ...
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 ...
45 views

### Who implemented and operates/maintains the user Community?

I'm talking about this fella. I know it's a bot (?), but how is it implemented, who maintains it?
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. ...
63 views

### Strange upsurge in up-voting of my questions [duplicate]

I have noticed an unexpected upsurge in the frequency by which my past questions are being upvoted. Whereas for most years of my membership I had maybe on average one or two upvotes in a week, since ...
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 ...
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 ...
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 ...
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 ...
36 views

### Can there be robot upvotes? [duplicate]

During each of the last five days, some of my answers - most being quite old - were upvoted within a short lapse of time. More precisely: 5, 3, 3, 3, 3 answers were upvoted within a few minutes for ...
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....
55 views

### What does the red circle at the review queue pictogram mean?

I've recently gained acesses to some review queues, but most of the times there's something to be reviewed (gray dot beside the queue), there's no notification saying so, other times I see a red dot ...
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 ...
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 ...
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, ...
26 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 ...
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 ...
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.
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 ...