# All Questions

77 views

Today I found something strange, a question that is marked as a duplicate of another question that is closed as off-topic (while IMHO it was not off-topic, but that is a meta off-topic comment in ...
117 views

### Am I abusing edit history by using it to hide code for a plot?

Sometimes code is an important part of an answer. Other times, code is interesting and potentially useful to others, e.g. how to construct a plot, but doesn't help the OP in answering their question. ...
86 views

### Is it okay to edit the title of a question to make it broad enough to fully encompass an existing/accepted answer?

I know that people here are very squeamish and punctilious about editing questions of others, and rightly so (see editing is not rewriting). But here is one particular situation that I would like to ...
89 views

### What is our policy on merging duplicate questions?

Sometimes a duplicate question gets an answer before it gets closed as a duplicate. In some cases this answer is either better than the answer(s) in the "main" question, or at least adds something ...
167 views

### Let's curate “What's a real-world example of “overfitting”?”

The following question was recently asked on the main site, and quickly showed up on Hot Network Questions and gained many views. What's a real-world example of "overfitting"? Let's ...
72 views

### CrossValidated should not use C.W. as a rep-denial mechanism or for “soft-close”

I've noticed that community wiki status is sometimes applied forcibly to posts that moderators judge are not quite a good fit for this site -- too broad, too open-ended, or too likely to attract ...
90 views

### Shouldn't we merge [definition] into [terminology]? Please vote

I think whatever the difference between definition (60 questions) and terminology (247 questions) might possibly be, in practice these tags are used interchangeably. Therefore I suggest hard-merging ...
52 views

### Why do I see some questions with a blue background?

I just noticed that in the "Questions" view, I see some questions with a blue background, e.g., the first one here: Is this some new feature?
183 views

### Why was an answer considered off-topic and when it was deleted?

One of my recent answers got deleted while it got scoring of +12/-2 and for some time it was the accepted answer. I would consider this scoring to be rather positive. The answer that got deleted ...
141 views

### Best practice: How to request clarification from the author without 50 rep to comment?

I'm new to Stack Exchange and want to answer questions, but without 50 rep I can't post a comment asking the OP for clarification. Is there a clear guideline for what to do in this situation? (If ...
265 views

### How does Stack Overflow actually manage to work given ~100x higher traffic than here, and what can we learn from it?

This question is inspired by @Glen_b's worry yesterday that we [are] seeing a dramatic drop in answers per question and is also related to my own question from almost a year ago about How not to miss ...
136 views

### When should answers be self-deleted?

I'm new here. Yesterday (my time) I answered this question. In the subsequent micro-discussion that took place in the comments, discovered that I had, in fact, misread the intent of the question, and ...
351 views

### CV and Data Science: semi-identical twins?

I would like to reopen the discussion regarding CV and the Data Science beta. This question is related to this previous one: Data Science SE but now with a better view of where Data Science seems to ...
256 views

### CrossValidated vs DataScience: what is different? [duplicate]

Probably it will be off-topic, but anyway I really want to know the difference between this forum and Data Science forum? The both communities are the subparts of StackExchange and at the moment I ...
35 views

### Economics.SE has entered Public beta

The second attempt to launch an Economics.SE site has gone into public Beta. On-topic there are of course Econometrics also, so if you hit on an econometric question on Cross Validated that rests ...
47 views

### Meta CV tag - [statistics] vs [site-statistics]

A recent suggested edit to the statistics tag wiki (and excerpt) came up. The change was to make it explicitly for discussion of statistics relating to activity ...
421 views

### Are we seeing a dramatic drop in answers per question?

From time to time I look at CV site-related stats of various kinds in various places. I was alarmed to look at this query on Stack Exchange Data Explorer (SEDE), Which shows a dramatic drop in the ...
61 views

### Inconsistency with closure and migration

There were two very similar posts on CV - this and the one it (almost) duplicates (at least, if you count the Q in comments, it's a duplicate). I marked the linked one as a duplicate and was in the ...
80 views

### My on hold question needs improvement

Asking about my On-hold question, What online tools to DIY-anonymize user names (no PII concern) I freely admit my question is naive in comparison to the included linked post. However, when I wrote ...
230 views

### Ways to integrate CV into Intro to Biostatistics curriculum

Disclaimer: I have read Using CV as part of a statistics course and believe I am asking a separate question. I teach graduate Introduction to Biostatistics (for non-biostatisticians). I try to give ...
75 views

### How to get an independent review of my article?

I am writing my first paper on Machine Learning. I worked on a problem, took the results, and wrote the paper. I discussed the results with my teachers and seniors; they said it looked fine. Now I ...
299 views

### Should Cross Validated participate in the 2014 “Winter Bash”?

For the third year running, the Stack Exchange team is organizing a "Winter Bash". Users earn "hats" for their gravatars by completing novel tasks (analogous to badges). Certain specific actions will ...
96 views

### Reopening and migrating a valid coding question from Crossvalidated to Stackoverflow

I have come across a vibrant question - how does one visualize results of post hoc Nemenyi tests - on Crossvalidated. This question is often raised in my institute and by students or peers at ...
220 views

### How can a non-expert user decide which of multiple, highly different, answers to select?

This is something I've experienced several times, but it was brought home to me most clearly by my most recent question: How can I best deal with the effects of markers with differing levels of ...
63 views

I just received notification that I have earned the Talkative Badge for posting 10 messages in Cross Validated chat rooms with one or more of them starred. I can recall only one message that I have ...
73 views

### Is it ok to ask for guidance on my research project?

I am a novice in statistics and would like some guidance in data analysis for my research project. I just want to make sure that it is ok to post my research question, method, and ask the community ...
117 views

### Is there a way to unflag?

I incorrectly flagged a post (simply caused by me being especially unobservant) before realizing I should have just voted-to-close (which I then did). Is there a way for me to unflag, so I don't ...
386 views

### Is there a way to protect against unreasonable downvoting

I have been downvoted on 5 answers this morning, the downvotes occurring in a batch with no comments left. The obvious conclusion is that some user decided for whatever reason to pick on me. Can you ...
120 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 ...
142 views

### For “obtaining specific datasets” questions, let's recommend OpenData.stackexchange.com

Many of the questions closed with the reason "obtaining specific datasets" would actually be good questions for Cross Validated's new little brother: http://OpenData.stackexchange.com When closing ...
40 views

### Question about the use of statistics language on CV

This question is about the use of statistics language on this website. I've developed a set of features. Do I now "assess the effectiveness of these features in classifying data" or "assess the ...
69 views

### How to print a Cross Validated question or answer?

While I respect, laud and enjoy Cross Validated questions' and answers' palimpsest-like qualities of being a dynamic and living documents, I have a need to print (or save to PDF) a static snapshot of ...
414 views

### Should we make it clearer that there's no need to apologize?

Often - sometimes several times a day - I see questions that open (or occasionally close) by apologizing for the poster's ignorance or for asking a 'basic' question. Firstly, there's no need to ...
180 views

### Using Cross Validated for a “pre-review” of an Idea that might be suited for a publication

Let's say someone has an idea related to statistics, or for that matter another field, in which that person is not an expert. The idea works better than competing approaches found in literature, but ...
73 views

### Question wrongly marked as duplicate?

This question was marked as a duplicate of this question. However, they are not asking the same question, and I think that unless the answers at the supposed duplicate are altered to respond to this ...
105 views

### OK to close homework-help scans as “unclear what you're asking”?

It doesn't immediately grab me why such low quality homework help problems should be closed I need help with this estimation However, we probably agree this post should be nixxed. I think that ...
127 views

### Is it okay to re-tag a lot of old questions when appropriate ([kernel] $\to$ [kernel-trick])?

kernel and kernel-trick are two different tags on CV, with the first one reserved for kernel smoothing and density estimating, and the second one for kernel trick in maching learning (kernel SVM, ...
46 views

### Notify a user in a new question

I just posted a question inspired by an earlier question/answer pair in cross-validated (CV). I think this is part of the intent of the site and a delightful phenomenon. There were folks involved in ...
121 views

### All reputation is gone

I am sorry to post here but Cross Validated did a merge on my account and I lost all reputation points on my stats forum and I cannot post to meta without any reputation points. I don't know what this ...
267 views

(UPDATE 28-8-2014 : Following suggestions, this post now appears also in the CV blog, ...
107 views

### Is discussion of statistics jobs & qualifications off-topic?

I'm mainly thinking about this question ("Is my learnings in Machine Learning fine?") which was put on hold for being off-topic. What I'm wondering is: would this question still be off-topic if the ...
89 views

### Our name on SE Data Explorer is Statistical Analysis. Is this by design?

Is it on purpose that our name on the Stack Exchange Data Explorer is 'Statistical Analysis' rather than 'Cross Validated'. This is not only on the main page, but also when one is inside a query ...
84 views

### Did the interface change, did I lose a privilege, or is everything just slightly wonky?

I've just noticed that I no longer seem to have the ability to recommend some posts for closure (which I noticed because I wanted to do something with a link only post – I eventually took the ...
280 views

### Migrating software syntax to StackOverflow or DataScience?

This is a provocative question: should we send "How do I do this in R/SAS/Python/Stata/SPSS" questions to the DataScience, now that it's open? Data cleaning is never a programming question, as it ...
30 views

### What are the guidelines for accepting/rejecting suggested edits? [duplicate]

I have recently acquired 2k reputation, and can now review suggested edits. Over the last several days I looked at an occasional pending edit, and not a single time could decide whether I should ...
279 views

I have at least one question that I'm the only person to provide an answer to. I haven't accepted my own answer. (I couldn't see the point, to be honest, obviously I think it answers the question, ...
194 views

### Cross-Posting on Math and CV

As I've been using Mathematics, I've noticed that questions related to statistics or probabilities take more time to get answered, if they get answered, than at CV. This is just my impression without ...
328 views

### What is the “take home” message if I get the tumbleweed badge?

My question (In inverse theory, how do I transform the averaging kernel matrix to a new grid?) earned me the tumbleweed badge: Asked a question with no votes, no answers, no comments, and low views ...