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5
votes
1answer
60 views

“Risk” tag: no Wiki, unclear usage

The tag risk has no Wiki and seems to be used for several different topics, e.g. Bayesian risk risk in finance applications such as Value at Risk (VaR) epidemiology and accidents (human health ...
6
votes
0answers
78 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 ...
2
votes
0answers
9 views

What are useful differences (if any) between [algorithms], [numerics], and [computational-statistics] tags?

I have just found myself adding these three tags (numerics, algorithms, and computational-statistics) to the following question (noticing an offered bounty): What algorithm is used in linear ...
8
votes
1answer
69 views

Clarifying the [sem] tag for simultaneous equation models?

The sem tag is described as being for structural equation modeling, but a proportion (my hunch: 25%) of its use is for (econometric) simultaneous equation models. Is it worth clarifying, or splitting ...
9
votes
1answer
78 views

When is traffic slow on CrossValidated?

A frequent recommendation (e.g., here and here) for retagging or otherwise editing multiple questions is to do it when traffic is slow. Then edit-bumped posts will only push older questions off the ...
7
votes
1answer
129 views

Is [optunity] a valid tag?

There are 3 questions tagged optunity: http://stats.stackexchange.com/questions/tagged/optunity What is this for? Is 'optunity' even a word? Should it be cleaned up?
11
votes
1answer
114 views

Tag proposal: [phylogeny]

Phylogenetic comparative methods (PCMs) are a branch of statistics focused on modeling evolutionary data (i.e., data on species' characteristics and phylogenetic relationships). I have found 24 ...
9
votes
4answers
84 views

Tag proposal: [cronbachs-alpha]

Cronbach's $\alpha$ is an estimate of the reliability of a psychometric test. It's admittedly rather field-specific, and I don't think many people outside of psychology or psychometrics have ever ...
5
votes
1answer
147 views

The [error] tag and its wiki

The error tag currently has the following tag wiki excerpt: The error of an observed value is the deviation of the observed value from the (unobservable) true function value. Do NOT use this tag ...
5
votes
1answer
59 views

New tag MAE (related to MAD)

In forecasting, there is a very common point forecast accuracy measure, the Mean Absolute Error (MAE) or Mean Absolute Deviation (MAD), which simply calculates the mean absolute difference between ...
-3
votes
1answer
76 views

Do we need both [forecasting] and [prediction] tags?

I do not see a clear distinction between forecasting and prediction tags. Should they be made synonyms? Or should the distinction be made clearer (e.g. by expanding the currently very brief ...
6
votes
1answer
89 views

What is [scoring] tag about?

I just noticed that we have scoring tag -- what is it about? It does not have description. It's content is pretty chaotic: from Good books/papers on credit scoring (my initial guess for what is it ...
8
votes
8answers
152 views

Tag-candidates for removal

We already have a thread for proposing candidates for tag synonyms, but there doesn't seem to be a similar thread for proposing tags for deletion. Similarly to the "synonym" thread, let's use this one ...
2
votes
0answers
44 views

What is the difference between our hypothesis-testing, statistical-significance, and p-value tags? Do they need to stay separate?

Two very popular tags are hypothesis-testing (3.4k questions) and statistical-significance (2.4k questions). These two concepts are very much related, and whenever I happen to edit a question that ...
5
votes
1answer
57 views

Is it okay to add the bayesian tag if my answer is Bayesian? [duplicate]

I have given Bayesian answers to questions that do not have the bayesian tag. Sometimes my Bayesian answer is accepted and there's not tag to lead anyone there. Is it ever okay to add the tag? Do I ...
10
votes
1answer
110 views

Should we have a tag for the coupon collector's problem?

The coupon collector's problem is a well-known example in probability. Searching the site for coupon is:question suggests we have about a dozen posts on it, but ...
5
votes
0answers
98 views

What should we do with the ambiguous [Pearson] tag?

Our pearson tag (220 questions) is ambiguous and seems to be used inconsistently: it can refer either to Pearson's correlation or to Pearson's chi-squared goodness of fit test. I think it should be ...
12
votes
0answers
131 views

Rank-related tags are an enormous mess

Our rank-related tags are an enormous mess. Unfortunately, no simple synonymizing or renaming can help here, and ideally somebody should go through all the threads re-tagging them as appropriate (...
1
vote
2answers
68 views

Renaming convolution tag to conv-neural-network, or creating a new conv-neural-network tag

How about renaming the convolution tag to conv-neural-network, or creating a new [conv-neural-network] or [cnn] tag? Most ...
10
votes
2answers
147 views

Do we need [basic-concepts] tag?

I am wondering if we need the basic-concepts tag (221 threads). It looks like an archetypal meta tag to me, and the SE policy is to not tolerate meta tags. We do have some particular exceptions to ...
6
votes
4answers
130 views

What is the optimal length & level of detail of tag wiki excerpts?

I find tag wiki excerpts extremely useful, much more so than full wikis (I doubt that many people ever come across full wikis because SE design buries them quite deep). When I write wiki excerpts I ...
10
votes
2answers
277 views

Why do Cross Validated and Math SE have different policies for homework questions?

Why is it that CrossValidated requires homework or the like to be tagged w/ self-study, but Math SE did away w/ homework tag a long time ago? Why don't the arguments for no more homework tag in Math ...
7
votes
1answer
94 views

Are [causality] and [causal-inference] tags the same?

There are two tags causality and causal-inference that seem identical or at least closely related -- aren't they? Reviewing the posts tagged by both tags shows that there is not much difference ...
5
votes
3answers
152 views

Should we do something with [wlln] tag?

I just noticed that there is wlln. Could you guess what does it stand for..? It has only 11 questions while the topic is pretty broad -- so I guess it is probably used less often than needed. Its name ...
5
votes
2answers
195 views

What's the best thing to do with the [student's-t] tag now?

I've been very slow about it, but in relation to this question: Issue with [students-t] tag, I have finally re-tagged them all (bar the last couple which I will take care of after a suitable interval ...
8
votes
1answer
189 views

Somebody has accidentally created [correlation-matrix] tag; what to do with it?

Somebody has just created correlation-matrix tag by posting this question: Is every correlation matrix positive definite? Previously this tag did not exist, but of course there is well over a hundred ...
10
votes
2answers
233 views

What should the “best practices” tag be for?

There is a best-practices tag which currently has no usage guidelines. Currently it mostly seems to be used on questions which are very broad, particularly where there might be multiple approaches (e....
6
votes
0answers
110 views

Should all our non-merged tag synonyms be merged (or removed)?

Tags on SE can be made synonyms with or without merging. Non-merged synonyms have a bit of a weird behaviour. Take a look e.g. at books which is a synonym of references. If I search for [books], I ...
7
votes
2answers
132 views

What tag name do you prefer: [covariance-matrix] or [variance-covariance]?

I am used to calling this thing "covariance matrix" and only very rarely see and here it being called "variance-covariance matrix". However, our tag here is called variance-covariance. It used to ...
1
vote
1answer
70 views

When could a “tag” become a “stack exchange community”?

Initially, I will give you an example to understand my question: e.g., the tag r has many questions in the "Cross Validated" community, then sometimes new users ask ...
8
votes
2answers
208 views

Why is it sometimes so difficult to initiate a tag change here, and how should we deal with that?

Update: all of the suggestions have been implemented, thanks @Scortchi. A couple of weeks ago a suggestion came up on meta to merge [natural-language] and [nlp] tags: Do we need the [natural-...
6
votes
2answers
155 views

Do we need the [natural-language] tag, separate from [nlp]?

Do we need the natural-language tag? I see it's pretty much used as a synonym for nlp.
4
votes
1answer
55 views

How exactly are three user's tags selected for the “Users” page?

If I go to the "Users" page and search for myself, clicking on the "all" reputation tag, I find myself displayed with the following three tags in the following order: [pca], [dimensionality-reduction]...
3
votes
1answer
65 views

Creating a new tag for Julia language

I wanted to create a new tag for Julia language, which already exists in Stack Overflow. But, as I do not have a question in order to create a tag, I wanted to know how do I do it. Update: So, there ...
11
votes
1answer
125 views

Many threads about combining p-values without the [combining-p-values] tag

There seem to be quite a few questions that refer to Fisher's or Stouffer's method for combining p-values, but without the corresponding combining-p-values tag. Would it help the site to tag those ...
10
votes
1answer
101 views

Do we need data-imputation, multiple-imputation and imputation tags?

There seems to be a fair amount of redundancy in the tags containing imputation in them. As of this writing, I observe the following distribution of imputation tag usages: data-imputation: 160 ...
9
votes
1answer
96 views

Do we want tag warnings?

(Stolen shamelessly from Meta.AskUbuntu.) StackOverflow recently introduced "just in time" tag warnings. These warnings are meant to provide users with just-in-time information to help them avoid ...
6
votes
1answer
78 views

What is the [plm] tag for?

The plm tag has no tag wiki, no explanation. What is it for? I would like to add an tag wiki, but need first to know why it is there.
4
votes
1answer
65 views

Display tag excerpt on hover when editing questions?

While editing question, sometimes one needs to check that the correct tags are present. Sometimes one needs to check the tag information in order to say it is relevant or not. So, for checking ...
6
votes
1answer
51 views

Tag synonym question, with an application to adaboost and boosting

Adaboost is an early example for a boosting algorithm. Does that make the adaboost tag a candidate for a tag synonym with boosting? Or is the policy that special cases can get their own tag? If so, ...
4
votes
1answer
50 views

Data on things like tag views and upvote fractions

Is it possible to see (or generate / retrieve) data on things like which tags are the most widely viewed ones on CV, or what fraction of answers receive an upvote (or the distribution of upvotes on ...
2
votes
1answer
52 views

Shouldn't we name the caret tag “r-caret” for consistency with SO?

Shouldn't we name the caret tag r-caret for consistency with SO? (The main reason is compatibility. Another minor reason is we frequently migrate questions CV <-> SO. So if you migrate SO->CV, the ...
2
votes
1answer
28 views

Tagging answers nor questions [duplicate]

From time to time there are questions that provoke answers that reach far beyond the initial question, for example, explain in detail some basic issues, or use detailed examples of some specific ...
5
votes
2answers
108 views

Ambiguous [confidence] tag

I just noticed that there is a confidence tag - it does not have a description and it is hard to guess what is its purpose? Is it about confidence intervals (it has multiple questions tagged both [...
3
votes
0answers
51 views

Create analysis tag

A recurrent issue in our forum is applied analysis questions. Not only are there ample examples in the CV network, but it comes up in Meta repeatedly. I think questions of the nature are appropriate ...
16
votes
2answers
335 views

The [kernel] tag is dead

Well, it took a while, but I'm finally done with this effort: every question in kernel has been sorted into kernel-trick and/or kernel-density-estimate. kernel is now empty; a moderator should ...
8
votes
3answers
157 views

Are questions on statistical language valid and do we need statistical-language tag?

I am referring here to recent question: versus (vs.): how to properly use this word in data analysis that asked about proper usage of "versus" word in describing relations between variables in data ...
13
votes
2answers
152 views

The kernel tag is a mess – should it be changed? [duplicate]

The unfortunate collision of the word "kernel" as in "kernel density estimate" and the separate use as in "reproducing kernel Hilbert space" is making the kernel tag kind of confusing. The tag wiki ...
12
votes
2answers
172 views

Do we need a unique “rstudio” tag?

I've observed that there are a small number of questions tagged as "rstudio." Is this strictly necessary? It seems to me that it would prevent splintering of R-related questions across multiple tags ...
11
votes
1answer
53 views

Proposal: add reference-request as a synonym for references

references has 718 questions, synonyms books, sources and resources and a tag wiki that seems to cover requesting references: "References" is our generic tag for questions seeking information ...