# All Questions

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### (Why) does CV post comments under my name and without notifying me?

While I was interacting with this question, I noticed that the author incorporated the comments to ask an equivalent question (instead of editing the original one). Since I think that this constituted ...
160 views

### When should an answer be given as opposed to just giving a hint

It's my impression that on this site (and https://math.stackexchange.com/) that many times questions aren't answered but just hints in the comments are given. (This is different on https://...
• 2,153
77 views

### System is systematically changing URLs in many of my posts

Many of my posts which have links to blog articles such as https://fharrell.com/post/po are having the URLs systematically changed to http://www.fharrell.com/p/blog-page.html which is not even a valid ...
• 75.5k
121 views

### How to ask a good [references] question?

It's very common for users to want to find references about a specific topic in machine learning, statistics, or probability. Often, these questions start from a place where the user doesn't know what ...
• 78.3k
287 views

### My upvoting policy

Some time ago I decided to employ a policy for upvoting the questions: When I answer the question, it means that it was worth answering, so I automatically upvote it. There are some minor exceptions ...
• 113k
144 views

### Using personal data for reproducible examples

Recently someone posted a few questions that contain an extract of what appears to health-related data: here, here and all their questions so far actually. It's only 10 data points but it seems to ...
• 2,166
150 views

### Increasing reputation needed for creating tags?

At present, the reputation threshold for creating new tags is at 300, making this accessible for relatively new and inexperienced users. A lot of new tags created now (2022) are unnecessary, or simply ...
• 65.1k
163 views

### Why does the “programming” closure message not mention Stack Overflow?

When we close questions that appear to be about programming, a message appears that links to Open Data or to a CV Meta post about software support. Not mentioning Stack Overflow seems like a gigantic ...
• 31.4k
118 views

### Tag *random* very non-specific

The tag random (without wiki) seems to be used for a lot of different things, like random factors, random variables, ... Probably a lot should be retagged, and the rest changed (by a synonym) to tag ...
• 65.1k
88 views

### Indenting code snippets?

A moderator edited one of my answers, but just to add indent the whole thing. See https://stats.stackexchange.com/a/22574/5503 This seems to be a pointless edit: if that kind of indent is desirable ...
• 1,827
101 views

### Is this question appropriate - Is it necessary to report on the step-by-step results from a model-building process?

I would like to ask a question on CrossValidated about statistics reporting, rather than statistical analysis itself. The question is: Is it necessary to report on the step-by-step results from a ...
• 61
220 views

### What to do about obsolete, or out-of-date questions, specifically this one about neural networks?

Some questions have answers which are obsolete, or outdated. One prominent example is How to choose the number of hidden layers and nodes in a feedforward neural network? This question has an answer ...
• 78.3k
45 views

### Why can’t I edit this post? [closed]

The following question has some formatting issues that I wanted to correct. Econometrics problem with regression I cannot edit it, even though I can edit other questions (not just my own). What’s ...
• 31.4k
75 views

### New tag [tag:probability-limit-theorems]

Created just now probability-limit-theorems I just copied from here: https://math.stackexchange.com/tags/probability-limit-theorems/info What do you think?
• 2,176
67 views

### 2021: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year. As most of you here are aware, sites on the Stack Exchange ...
• 101
118 views

### Big Thank You for All Your Help!

I have just finished self-studying my way through Mathematical Statistics with Applications, 5th Ed., by Wackerly, Mendenhall, and Scheaffer. I read every word, and solved every problem (well over 1k)....
• 4,275
72 views

### How should reviewers handle questions with awful formatting? [duplicate]

From time to time when reviewing questions I stumble upon posts that are terribly formatted. Here is a good recent example (note the screenshot with almost invisible text): transformation ...
• 4,387
178 views

### Is having equations in LaTeX preferable to images and if so, is it desireable to convert them in others' questions?

Is it preferable to have equations in LaTeX format instead of images, and if so, is it a desideratum to convert images to LaTeX when possible? I have been going through some older questions and ...
• 3,202
47 views

Usually when CrossValidated marks a question as "active today", I can see something (edits or answers or bounties) that tells me what changed. This question is marked as "active today&...
• 35k
54 views

### Where can I ask how to use a specific hypothesis test in R?

I'd like to know where on Stack Exchange I should ask about how to use a specific hypothesis test on R and where to ask if my code tests do what I would like to without theoretical foundation.
• 897
55 views

### Why did my post closed due to code programming?

I made few posts where I was not sure about how to use a specific hypotesis testing on R and my post has got closed but I've seen a lot of post regarding about some error output error and they haven't ...
• 897
75 views

### Why are questions about "portfolio optimization" considered offtopic?

I noticed a trend where questions about portfolio weight estimation and optimization tend to either be suggested for transferring over to quant SE, or even closed as off-topic. Here are a few examples:...
• 4,387
63 views

### Usage permission and citation text for figures on CrossValidated

I would like to use the figure in this post showing the geometry of the correlation coefficients. I am currently writing a book and would like to include this figure. How do I obtain permission to ...
33 views

### Is there a way to find out how many times I have posted a link to a question

Is there a way to find out how many times I have posted a link to a question? Last month, I wrote a question and self-answer so that I could link to it when a common misconception arose, and I am ...
• 31.4k
237 views

There are a few topics on this site (unbalanced data, up-weighting, accuracy, F1 score, precision/recall etc) that whenever a user asks a question regarding one of these methods/metrics, a few high ...
• 1,408
46 views

### Dear gods, is there any way to roll back the Ux on the user pages? [closed]

Apparently the new UX design stresses less information on the page, and more scrolling around looking for it. I suspect this is a decision driven by the type of corporate mindset that assumes a Ux ...
• 26.4k
78 views

I would like to ask for advice about plotting a growth curve model, preferably using SAS, SPSS or Excel. Is that an appropriate question for CrossValidated?
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34 views

### New tag: "multi-classification"?

We have a tag classification, which covers the more basic situation of two classes, but also that of multiple classes. The tag wiki is taken from Wikipedia: Statistical classification is the problem ...
• 96.2k
72 views

### What are articles?

When navigating to a users page, I now see "questions" and "answers" as usual but also "articles". What are these? Are preprints intended to be posted there? A link can ...
• 433
116 views

### Where can I ask for tools?

Where can I ask for tools useful for high school level statistics? Currently I am looking for something that can visualize standard deviation and compare two distributions with each other (with some &...
• 131
251 views

### Marking question as "unfocused" without feedback isn't helpful

My question was closed as "unfocused". At the same time it didn't receive any kind of feedback to describe what is unfocused about it. That's while the question has a specific and focused ...
• 149
54 views

### Issues with syntax highlighting (r tag)

I've noticed that there seem to be issues with the syntax highlighting. Take this recent post as an example: Clearly, the question is tagged r. Thus, R syntax highlighting should be applied. However, ...
• 5,808
342 views

### Problem with moderators trying to keep my question closed

I respect the moderators in general but this time their behaviour is just super weird to me. Please read these 2 links nn.embedding similar general purpose for float values how nn.Embedding algorithm ...
41 views

### Improve "Similar questions" results when writing a question

I've noticed recently that when I write a new question such as this one, the "Similar questions" box just above the Body text entry box shows results that are similar, but they're similar ...
• 4,275
260 views

### Unpinning the accepted answer from the top of the list of answers on CV

See the relevant thread at Meta.SE. As of Sep 8, answers on SO are sorted differently than before: previously, accepted answers were always shown first, but now, answers are strictly sorted by votes. ...
• 96.2k
41 views

### Change tag 'metric' into 'metric-distance'

Many newcomer users incorrectly apply tag 'metric' (defined as a subclass of distances) to questions where word "a metric" is used by them simply as "a coefficient", "a ...
• 52.2k
52 views

### Code snippet ends with triple backticks

On my question, the very last code snippets ends with the triple backticks "`". The same exact code snippet on StackOverflow does NOT end with the triple backticks (I thought I erred with ...
• 1,382
44 views

### First Questions Review Queue: Flagging a Question Does Not Advance the Actions or Move to Next Item

In the new First Questions Review Queue, if I flag a question, say, as needing clarification, in my opinion the Actions box should have a button saying "I'm done" or the entire screen should ...
• 4,275
136 views

### Improve [hypothesis-testing] tag excerpt and description

The current tag except (and description) of hypothesis-testing reads Hypothesis testing assesses whether data are inconsistent with a given hypothesis rather than being an effect of random ...
• 55.5k
1 vote
47 views

### On posting questions concerning proofs of results in machine learning, theoretical statistics, and statistical learning theory papers

Context. From my experiences with this site, I've noticed standard proofs in statistics and probability theory, generally on foundational, textbook topics, tend to get answered and dealt with ...
• 2,206
285 views

### What (if anything) should we do about user profiles for users who have passed away?

I recently learned from another user that one of our high-ranking users, Michael R. Chernick, passed away earlier this year (see obituary here). His profile page remains as he left it when he was ...
• 94.8k
377 views

### Request for information on top users --- name, profession, institution, title

SE users, Request for information on top users --- name, profession, institution, title I am currently writing an academic paper on statistics education using CV.SE, which is expected to be published ...
• 94.8k
151 views

### Should questions about the statistics profession be added to the scope of CV?

I noticed that a recent question about the statistics profession was closed as off-topic. It clearly does not fall within the listed topics on our help pages so I have no objection to the moderating ...
• 94.8k
269 views

### Do you say "thank you" to commenters who solve your problem?

I have this question of etiquette. I was wondering if at the end of a discussion in the comment section a question, once my doubt has been clarified, should I add a final comment thanking the person ...
• 71
174 views

### Why can some people close others answer

So , it has been quite some time i started using this platform , and I was just looking at few questions that showed " this question is not accepting any answers " which means it must have ...
• 437
1 vote
68 views

### Should conciseness be a part of the "How do I ask a good question?" guide?

I've noticed that questions that are as concise as possible without sacrificing clarity get more attention. More specifically, questions that avoid repeating information, avoid adding unnecessary ...
• 3,006
213 views

### Why is it difficult to get help here

I am Simran, I have been studying for a govt exam with statistics as optional (which is rarely opted by students ) , due to which there isn't any good professional coaching available , I have been ...
• 437
144 views

### Community conscious on viewing hot questions from artificial intelligence and data sciences stack exchange

It is a well-known fact that overlap is high between the three sites: Artificial Intelligence, data sciences, cross validated. If we go through the meta-questions of individual sites, we can also find ...
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### Could we change the title of this sub-stack, as well as the image which seems to hype a five-fold cross-validation strategy?

Validation is not inherently tied to repetition over folds. Considering the hundreds of "unanswered" questions tagged with [cross-validation] (meaning no answer is either up-voted or ...
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