# All Questions

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### Data assimilation proposal

Just a shout out regarding a Data Assimilation site proposed on Area51. Some data assimilation questions would be on topic here, but for the most part it is a related but different discipline. Neither ...
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### How to contact other user?

Someone posted a helpful answer on one of my questions on quant finance exchange. Now I want to contact him. How can I do this? Can I write him an email?
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### Reviewing questions and applying LaTeX format

Questions formatted in LaTeX are easier to read, but not everyone who has permission to review a question/answer knows how to do it (maybe I am an "outlier" here, but not sure). Are there any ...
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I remember great comments on questions here to which I'd like to point. It's easy enough to get the URL of a given comment. The problem is to find great comments back. Are comments searchable (if ...
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If I respond to a comment with a comment or question directed to the commenter, does the commenter necessarily see it? If not, is there any way I can draw their attention to it? I assumed the site ...
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### Points of information for lowly members

I'm looking at this page, which includes an R expression (for the gam function in the mgcv package). The R expression includes two elements (functions?) which do not appear on the help page for that ...
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### Is it appropriate to share a homemade R function?

For my own use, I wrote an R function to plot the observed probability (with error bars) of some binary outcome by quantiles of some continuous predictor variable. Among other things, I plan to use it ...
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### Should all “book recommendation” questions be classified as community wiki?

Firstly, my opinion about book(or other material) recommendation question is: they are very positive and useful! Recently I came across with a question that was asking for book recommendation in an ...
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### CART as junior synonym to Decision Tree

I would recommend to make "cart" and "classification-tree" tags junior synonyms of "decision-tree". Because, often CART acronym is regarded to be just a particular method or algorithm of the tree ...
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### Are commenters notified when the original post is edited?

I wanted to know if commenters receive notifications when the original post they commented on, has been edited. I've received some editing suggestions through comments for one of my previously asked ...
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I can't sign in with a different account (with stackexchange). Somebody before me used my computer to sign in to their account (with stackexchange)...and now whenver I try to log out and then log in ...
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### Do answers become community wiki too easily?

This is a situation I find quite frustrating, which seems to be happening to me a lot lately. I will answer a question. After pondering it, I may think of some additional points. Later I will go ...
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### Answered questions filter for tags page

It is possible (I discovered!) to filter out unanswered questions from a search. It doesn't seem to be possible to do the same when you pull up questions by clicking on a tag. The question search ...
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### What is on topic on Cross Validated?

There have been many threads on CV-meta about whether questions are on-topic, off-topic, are too-localized, etc. For example: Are "find the distribution" questions on topic? Is a ...
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### Are “find the distribution” questions on topic?

Disclaimer: I am not a regular participant in Cross Validated, but a moderator on Maths. We received a flag stating that this question should be migrated here. It is of the form: "given a data set, ...
292 views

### How to get help on stats when reviewing a paper for publication

I'm reviewing a paper for publication at the moment and I find the statistical methods in it quite questionable. But I've only got limited experience and don't want to call them out on something that ...
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### Should the gmm tag be added?

I would like to suggest adding the gmm tag for growth mixture modeling. This would help when asking questions specific to this area. There are a number of questions on this topic, e.g.: How are the ...
160 views

### What is the intraday activity profile like for CV

I understand that there is a SQL database type way of looking at activity on a stack exchange site - so if someone in the know could explain how to answer this that would be great. Anecdotally I've ...
318 views

### Should the homework tag be deprecated?

Apparently the use of the homework tag was deprecated on SO. This is actually mentioned in the same meta that our FAQ points to in describing how to ask/answer homework questions. However, elsewhere ...
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(Inspired by this question, I thought it might be worthwhile to post a guide for those who just want to read and learn.) What are the best ways for someone new to Cross Validated to sift through ...
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### 'Answered questions' filter for questions page

Currently, the main questions page has a filter for unanswered questions - obviously, for the benefit of those with the expertise to answer such questions (or some of them). I'm at the other end of ...
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### What does the red number refer to next to “favorites”?

I might be being dumb here, but I don't understand notifications for favorites. I presume the number in red that I see when I go to my profile is telling me that that many of my favorites have had ...
188 views

### Is there a way to attract a users attention?

I know if I comment after someone, or after their answer or their question, then they will be notified. But is there are more general way to attract people's attention? For example (hope he doesn't ...
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### Why is our answer rate so low?

Has anyone else noticed that we are 5th from bottom with an answer rate of only 76%? On the one hand there are some questions that appear "answered" in the comments, like this one: Is the percent of ...
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### Multiple questions or one big question?

I have a series of questions related to something I have been working on. As they share the same background information, I originally wanted to post a big question with many multiple parts. On further ...
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### When is it a good time to give up on a bad question?

I tried to ask a Question, about 6 days ago. Since I am new to the field, apparently my question apparently is too broad or vague. I have read a good guide, how to ask good questions, but sadly this ...
109 views

### Are questions about terminology off topic?

I just discovered this site, and I had a question that has been bugging me for a while. My question isn't so much about a concept as it is about terminology, so I thought I'd check whether this kind ...
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### Shouldn't commenting require less reputation than answering? [closed]

I'm not sure I understand why extra reputation is required to be able to comment on questions and answers. (At my level of reputation--16 in CrossValidated, though higher in some other areas of ...
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I believe that this question belongs on CV since it is not a question on how to write code, but the error probably results from the specified model. Why was it migrated?
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### Can my question be moved to CrossValidated please?

Can my question be moved to CrossValidated please? I have flagged the question on SO and asked it to be moved here. Reason: the package author is active on CV but not SO. He has kindly given some ...
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### Should most R tags be replaced with package tags?

The R tag covers an enormous number of questions, many of which aren't really about R in general, but how to use a specific package. There appear to have already been some grumblings about this in ...
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### Should tags refer to the answer as well as the question?

In some instances the question doesn't itself fit a particular tag, but the accepted answer/popular answers do. If tags are a useful guide for others then it could make sense to re-tag based on the ...
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### Should Cross Validated participate in the “Winter Bash” Holiday hats promotion?

The Stack Exchange team is organizing an original event, in the spirit of the one organized last year on the Gaming site, called Hat Dash, where users earned "hats" for their gravatars by completing ...
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### How to ask a “good” question on CrossValidated?

Background First of all please note that I have been a user on SE sites for over two years now; more than 20 months on CV. While active on StackOverflow and Sports.SE I never quite managed to get ...