The process of identifying and closing questions that are exact duplicates of another question

learn more… | top users | synonyms

9
votes
1answer
114 views

Updating/re-asking software-related questions

In R, there are two main packages for estimating mixed effects models: nlme and lme4. They have certain differences. (There are also other packages.) In 2010, we had a well-received question: How to ...
6
votes
1answer
53 views

Suggestion to merge several questions on hyperparameter definition

Consider these three questions (in chronological order): What exactly is a hyperparameter? What do we mean by hyperparameters? What's in a name: hyperparameters I think it's pretty clear that ...
10
votes
0answers
209 views

How many questions about cross-validation do we honestly need?

We have a wealth of questions about cross-validation, such as Cross-validation including training, validation, and testing. Why do we need three subsets? What is the difference between test set and ...
1
vote
1answer
169 views

Overzealous marking as duplicate

I think it is quite obvious (so long as you read it in its entirety) that this question has incorrectly been marked as duplicate. It is worth reading the comments too. EDIT: Just to be clear, my ...
3
votes
1answer
117 views

How is this question a dupe?

$\mathbb{E}[S_n]$, when $S_n$ takes $X_1+...+X_n$ or $Y_1+...+Y_n$? I don't think it is the same thing as: Why does $\mathbb{E}(\frac{X_1+...+X_n}{n})=\mathbb{E}(X)$? because the former involves ...
15
votes
2answers
185 views

Many (historical) duplicate questions - how to pick a “canonical” question?

I want to bring this up here rather than mass-flagging a whole bunch of questions as duplicates (and also avoiding the issue of choosing one as the "base") This question from today is a new member of ...
2
votes
2answers
106 views

Asking for clarification on the benefits of redundancy or multiple questions and answers on one topic

I have discovered this site only recently, and coming from a non-mathematical or computer background, but with quite a bit of interest in statistics and scientific methodology, I've come to enjoy it ...
7
votes
2answers
106 views

Editing abbreviation in the title

Recently I wanted to mark a duplicate of a question about defining maximum likelihood, but was unable to find the "main" question since it used "MLE" in title rather then "maximum likelihood" (Maximum ...
4
votes
1answer
68 views

“Possible duplicate” label vs. “This question already has an answer here”

I noted that the old duplicates and the new duplicates have different formatting. The questions that are now getting closed as duplicate get a bluish plaque on top saying "This question already has ...
8
votes
1answer
899 views

I attempted to make a FAQ-style question; does it make sense?

There have been several discussions on meta about how to organize frequently asked questions, and one idea is that one can simply write and answer such a question, creating a thread that can later be ...
3
votes
1answer
166 views

Does it make a sense to create the reference questions for popular topics?

There are topics which keep coming back in different forms such as normality testing of random variables. I thought maybe it makes sense to create a question with the best possible formulation, then ...
5
votes
1answer
119 views

Duplicate linked to question with no answers

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 here)...
14
votes
1answer
130 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 ...
5
votes
1answer
65 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 ...
0
votes
1answer
98 views

Accepting an answer of another/duplicate question

My question turned out to be a duplicate. Yet, it gathered some good answers. However, one of the answers to the other, first, question suits me best. Can I accept it as best answer to my question?
11
votes
2answers
224 views

What should be our policy on duplicate answers?

I recently came across an answer that was copied & pasted in toto from another thread. I think the answer is high-quality--I had upvoted the previous iteration--but I am uncomfortable with this; ...
7
votes
1answer
189 views

Do duplicates count across SE sites?

If a question asked on CV is answered on another SE site, is that a duplicate question?
8
votes
4answers
444 views

Exact duplicate or not: Recent question on mathematics needed for ML

I think this question was closed incorrectly: How to get an introductory understanding of Machine Learning? This asked, "Is a strong background in maths a total requisite for ML? Should I try and fill ...
14
votes
2answers
342 views

Will we soon exhaust questions?

Of course I really don't think that there are so few good statistical questions left to exhaust all questions, I have noticed that I will answer a question and find someone else saying that the ...
13
votes
5answers
299 views

How to stem the tide of duplicate Qs

Please note that I searched on the keywords "duplicate" and "exact-duplicate" before posting this :-) It seems to be a point of pride for some that this site has hosted so many thousand Qs. But ...