Questions tagged [discussion]

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What is the difference between crossvalidated and data science? [duplicate]

I often have to choose where to post a question and since Crossvalidated is present for a while, I stick with this site. But is there any separataion?
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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 ...
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Is my question clear?

My question is not getting as much attention as I hoped the bounty would give it. Is my question clear? Is cross validated the best stack for me to submit it to? Is there some way I can increase my ...
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2answers
253 views

Why is my question still on hold?

Edit (for completeness) The discussion was about a question I asked that was put on hold. The reasons for closure and what is needed to reopen the question is answered in the many comments below. ...
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Is it on topic for a question to ask for a canonical example?

I want to ask a question with the title Is there a canonical example demonstrating the difference between predictive and explanatory models? I have ideas about the body of this question, with some ...
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2answers
180 views

Why is my question “Can a human be intellectual property?” still closed? [closed]

I have a question about my Cross Validated post: Can a human be intellectual property? Why is it still closed?
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1answer
121 views

Do we have a canonical thread that explains how to interpret 2- and 3-way interactions?

There are a number of questions posted by new users asking how to interpret basic linear model output with interactions. An example from just now: One main effect is positive while other is negative ...
8
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1answer
114 views

Should we de-synonymize dummy-variable-trap and categorical-encoding?

Sorry for bringing this up again. I created a dummy-variable-trap tag yesterday. As I wrote, I was doubtful that synonymizing it to categorical-encoding is helpful. By now I am not doubtful any more:...
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2answers
225 views

Do we need a “dummy variable trap” tag?

To be honest, I was not even aware of the term "dummy variable trap" until a few days ago, but it seems like the term is popping up more and more frequently at CV (note chonological ordering). Do we ...
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1answer
120 views

Is this question about categorical features on-topic?

The question Suggestions on using model in production 1 test at a time was closed as off-topic. To my mind, the question content is squarely about the generalizability of a specific kind of feature (...
7
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1answer
120 views

Is the [modeling] tag useful?

modeling is the 40th most popular tag, having been applied to 1820 questions so far. But I quickly scanned through a handful of the tagged questions and it didn't seem particularly helpful in any of ...
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2answers
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Incorrect use of the reliability tag, we need a more informative tag name?

The 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 "...
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2answers
191 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 ...
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2answers
140 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 ...
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1answer
88 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'. ...
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1answer
75 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.
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2answers
327 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 ...
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283 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 ...
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1answer
235 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 ...
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2answers
280 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 ...
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0answers
196 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 ...
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2answers
253 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 ...
19
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1answer
217 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 ...
11
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1answer
121 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
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1answer
174 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 ...
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4answers
346 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-...
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0answers
74 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 ...
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3answers
333 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 ...
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1answer
321 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?
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3answers
313 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 ...
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239 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 ...
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0answers
152 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 ...
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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
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1answer
60 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...
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1answer
194 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'...
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2answers
208 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 ...
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2answers
99 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 ...
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1answer
203 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 ...
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2answers
199 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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2answers
162 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
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1answer
136 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 ...
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222 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 ...
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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....
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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 ...
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2answers
99 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 ...
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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, ...
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207 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 ...
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1answer
90 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.
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2answers
217 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 ...
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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. ...