# All Questions

197 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
135 views

### Closing a terminology question as primarily opinion-based vs. writing an answer explaining why it is primarily opinion-based?

If a terminology question asks about a subjective term, is it preferable to close it as primarily opinion-based or to write an answer explaining why it is primarily opinion-based? Example: What is ...
133 views

### Is it possible to change accidental reviews for a short time after the review?

Often I visit CV via my mobile phone because during the day I am out for work, etc. With the smaller screen and the imperfections of a touch device I have experienced a few instances where I approved ...
202 views

### Ten-fold has been frozen for inactivity. I put it down to the new "style". What can we do, if anything?

I just went to post something to Ten-fold (the main chat room); specifically a bit of chat not suited to a post to the main site. Ten-fold has been frozen for inactivity! I put it down to the new "...
71 views

### Cross Validated Birthday Celebration?

Did you know that the anniversary of Cross Validated's graduation is coming up on November 4th? Congratulations! How about a contest or some other fun activity to stir things up a little? After a ...
137 views

### 2020: 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 past 12 months. As most of you here are aware, sites on the Stack Exchange network ...
228 views

### Isn't a question about identifying whether a variable is discrete or continuous on-topic?

(Edit: It's auto-deleted now...) I believe this post How to find whether the variable is discrete or continuous where appropriate? is on topic. The subject is inherently statistical and identifying ...
100 views

### 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 ...
292 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 ...
148 views

### How often do you "skip" on closing a question and why do you do so?

When deciding whether to close a question, one option is to skip - which is like abstaining. How often do you do this? Why do you do so? And, as another question, what happens when people skip?
98 views

### Suggestions for improving mixed models question

When are zero-correlation mixed models theoretically sound? I think the above question is well formulated and worthwhile. However, it didn't get any attention, so I put a bounty on it. The bounty ...
95 views

### Error in the suggested edits review queue

For some time now I've had problems with rejecting suggested edits in the suggested edits review queue. Usually the majority of edits is actually an improvement but when the exceptions occur the ...
246 views

### JSM 2014 mixer?

Is there any interest to meet up at the JSM 2014 in Boston? I asked this before for 2013 here and there, but nothing came to fruition. I am bringing this up to your attention again, as the time period ...
247 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 ...
147 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 ...
147 views

### Two good questions (with good answers) about fitting after cross validation: to which should we point the dupes?

These two questions answer are very similar, and each has a good, highly upvoted, accepted answer: How to choose a predictive model after k-fold cross-validation?, and Training with the full dataset ...
253 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 ...
120 views

### How are we doing on the "Repository of Knowledge" front?

One of the acknowledged and shared long-term objectives of CV and of other .SE Q&A sites appears to be the creation of an on-line high-quality "Repository of Knowledge" (RoK). While "quality" ...
76 views

### Course or what to study recommendation questions on-topic?

What should we do with "how to learn statistics/machine learning" questions? For instance: Mathematician wants the equivalent knowledge to a quality stats degree is pretty highly upvoted, community ...
104 views

### Are contest-type questions appropriate for CV?

It occurred to me that creating a contest, where (1) a statistical challenge or problem was completely defined, (2) judging criteria were unambiguously defined in terms of the winning answer, and (3) ...
66 views

### What should we do with ambiguous [sampling] tag?

sampling is ambiguous and even its excerpt says so: Creating samples from a well-specified population using a probabilistic method and/or producing random numbers from a specified distribution. ...
96 views

### Tag proposal: [long-memory]

Being generically interested in long-memory processes (or long-range dependence as it is also called), I wanted to have a look at past questions about this topic. I've noticed, however, that there is ...
145 views

### The scourge of the Time-Series Tag!

In the Stats.StackExchange community, there's one tag called 'Time-Series'. About 16.2% of CV questions are related to Time-Series, so I would think that only a negligible part of these would not get ...
110 views

I was trying to implement the EM algorithm (on GMM) in code, however, I was getting that in high dimension, I get numerical issues when computing the E-step: p(j|x^{(t)}) = \frac{ p(j) N(x^{(t)} | ...
159 views

### Encouraging questioners to answer their own self-study questions

I just had a thought: we should encourage askers of [self-study] questions to write up (and accept) the answers the answers that they end up with. The question here is: is that a good idea? If we ...
94 views

(This question first appeared on our main site). It tests a hypothesis about user notification. We were wondering whether inserting an "@" when editing a question would cause the user to be notified....
136 views

### 2011 Moderator Election begins shortly

In case anyone missed the announcement on the Stack Overflow Blog, the moderator elections are scheduled to begin on the 14th February. The election process The best way to get an idea of the ...
173 views

### What to do when one's exact question is previous posted with inconsistency in the answers?

I was curious about this exact question: What are the advantages of ReLU over sigmoid function in deep neural networks? Reading through there seems to be some confusion, mainly from user Alex R., who ...
87 views

### Issue with locked question

This locked question "exists because it has historical significance, but it is not considered a good, on-topic question for this site, so please do not use it as evidence that you can ask similar ...
157 views

### What to do when a question can be answered in a good, on-topic way, but the OP clearly seems to be interested in a off-topic answer?

Thread Are questions about solving practical data science problems (memory etc.) on topic? here on Meta is discussing the interesting problem of questions which lie at the boundary between on-topic ...
134 views

### Should we do something about cyclicality of questions related to MOOC sessions?

You could sense when a big MOOC session starts by the nature and quality of questions incoming. They seem to be asking similar questions as the previous wave of students, and not knowing how to look ...
137 views

I just wanted to try and see if I can cook up some simple Python routines to allow translation of commonly used models into code that we can then use some inference engine on. So, basically I am ...
52 views

### Strange bug when users write two < marks in a row

I noticed a strange bug on this post. It seems that the author wrote n<<N (not as code but as text) and for some reason that cut the post between the two <...
85 views

### Are 'style/approach review' questions acceptable?

This is related to an earlier question on code review at CV. While 'code review' itself is understandably out of scope, I wonder about questions like this one which I asked on SO, and this question ...
62 views

### Blog design is off for monthly view

http://stats.blogoverflow.com/2012/02/ Something is wrong with your layout there:
96 views

In our site Help Center, under 'Asking' heading there is currently three pinned user-guiding themes: What topics can I ask about here?, What types of questions should I avoid asking?, What does it ...
192 views

### How to get machine-learning contributors from stackoverflow to join our site

I thought that machine learning is a niche on stackoverflow until I have checked just for fun the corresponding tag. It is true that some questions are more programming related than others, but I ...
68 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 ...
85 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 &...
40 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 ...
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 ...
95 views

### networks, social-networks and graph-theory tags

It looks to me like these three tags have a lot of overlap between them - so much that maybe we should to make them synonyms, remove one (or two?) of them or something. The tag descriptions seem ...
113 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 ...
78 views

### Should my two part question be asked separately?

I've asked a question about error analysis and included a follow up question which is strongly related to the first one. I'm unsure whether it would be best to post them as separate questions. I'm ...
71 views

### Request for "Review suggested edits" page to render edited formulas

On the "review suggested edits" page, even when you choose the "rendered output" view, it will still show the raw TeX of the formula you edited. (Unedited formulas in the answer are rendered, though.)...
53 views

### Duplicates? Where should I put my question?

I asked a question about Neural Networks in the Signal Processing site Question However now, checking the different sites I wonder if this is more on topic in Cross Validated? And second, What is ...
86 views

### Use of [tag:econometrics] tag

I am curious about the use of the econometrics tag. Its Wiki says a field of statistics dealing with applications to economics. This makes some sense, but I tend to think of the distinction ...
142 views

### How to ask questions new learners would not easily understand but experienced persons feel trivial?

Sometimes I feel I have some questions that people that just learned from book will not understand what I was asking, but some really good people feel it is no need to explain. How can I ask those ...
84 views

### What to do about "sounds like spam" error?

I attempted to post a detailed question, focused on conceptual and statistical issues, not coding. The site rejected my post with an unexplained error message that my post looked like spam. I also ...