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6
votes
2answers
58 views

Why is data collection listed as on topic, but a data collection question was closed as off topic?

After reading the third point (collecting data) on this list, I asked this question (What is the best way of collecting birth rate data?). My question is: why is "collecting data" listed as on topic, ...
16
votes
1answer
223 views

How much time do the top rep users spend on stats.SE?

Users like whuber, Glen_b, gung, Peter, Frank, Jeromy, .... I see your edits, comments and answers everywhere! I was just wondering how much of your time you spend on stats.se? Do you have scheduled ...
8
votes
3answers
138 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 ...
8
votes
2answers
97 views

Learning from previous review decisions

As a new review queue user, I'm slightly intimidated by the possibility of misjudging a new post's quality. I would find it comforting to see how other, more experienced, users have reviewed in the ...
6
votes
0answers
67 views

Where should I ask a question about numerical issue about the EM algorithms?

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)} | ...
2
votes
2answers
58 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 ...
13
votes
2answers
112 views

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

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 ...
4
votes
0answers
137 views

Which community is better for machine learning questions?

I have asked a question on this community prior to this question. It was well-answered, and I adore this community. However, I have a question. It appears to be centered around statistics, but I also ...
11
votes
2answers
143 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 ...
28
votes
0answers
297 views

2015 Community Moderator Election Results

Cross Validated's 3rd moderator election has come to a close, the votes have been tallied, and the 2 new moderators are: They'll be joining the existing crew shortly — please thank them for ...
7
votes
2answers
145 views

Should “link only” answers be flagged/recommended for deletion/downvoted?

This is closely related to an old question on Handling “look at this link” type of answers, which focussed on what the community's response towards such link-only answers should be, and is ...
2
votes
1answer
84 views

What happened to this question?

So I answered this question Jelly Donut Puzzle - What Can Statistics Say About These Donuts My answer got downvoted but that is not the point. The point is that the question got -4 votes, and all ...
16
votes
6answers
414 views

Why is a comment that maligns my field not inappropriate for CV?

I'm not sure where to bring up this issue, but the CV meta seemed as good a place as any. Recently I was reading this question about whether the banning of p-values and confidence intervals by the ...
11
votes
1answer
46 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 ...
18
votes
2answers
489 views

2015 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
12
votes
2answers
118 views

Is it okay to ask question about a specific paper / model?

I am reading a paper on multiple change-point model and do not understand one of the equation. Is it considered on-topic to ask questions about a paper like that? On the one hand, it's clearly ...
6
votes
0answers
68 views

Sending a private message to another user? [duplicate]

Since I don't have the enough reputation to "add a comment" (less than 50), I was surprised that I can't find the way to send a private message to another user. How can I do that?
12
votes
1answer
249 views

Two Nominees for 2015 Moderator Election

We are making questions to nominees (2015 Moderator Election Q&A - Question Collection), however until now we have only two nominees while there are two moderator positions, so the questions and ...
10
votes
3answers
176 views

Giving advice without warnings

In this post, a user was regressing car price on mileage. The user wrote: I'm trying to modelize a simple use case : predicting the price of a car based on its mileage, with RStudio. I know it's ...
6
votes
1answer
93 views

Can anyone suggest why this post has not reopened?

The post Approaches for generating synthetic survey data with dependent answers? closed for being too broad. The post is now far less broad (Vass edited it extensively, I've since tidied it a little) ...
15
votes
6answers
307 views

2015 Moderator Election Q&A - Question Collection

In connection with the moderator elections, as with our last session in 2013, we will be holding a Q&A with the candidates. This will be an opportunity for members of the community to pose ...
10
votes
0answers
149 views

2015 Community Moderator Election

The 2015 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three ...
6
votes
1answer
105 views

Question about recommended readings

I am trying to do a community talk about hypothesis testing and want to focus on significance testing and p-values in particular. They have been a bit in the news as well recently (with some journal ...
18
votes
2answers
229 views

Shall we add “this is just a software question” to our default close reasons?

Our community-modifiable default off-topic close reasons are Self-study questions (including textbook exercises, old exam papers, and homework) that seek to understand the concepts are welcome, but ...
11
votes
3answers
202 views

Redirecting “looking for package in R” to SO

I noticed that multiple questions that ask about R packages are voted to migrate to SO (I also do this). This is consistent with the fact that CV is not about programming. On the other hand, "I am ...
9
votes
1answer
220 views

Frequent homework spam

Did you noticed that recently multiple homework questions are posted? Just a few examples: Question in following pictures Question in following picture Tough Probability question Question on a ...
2
votes
1answer
71 views

Pattern recognition for youtube

Would such question could find place here? I am looking for software that would allow to match supplied image in video frame. I plan to use it to data-mine Hearthstone videos to get data on ...
7
votes
2answers
90 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 ...
7
votes
1answer
105 views

What is a “notice on answer”? Who gives them?

Recently I got a notice on this. This is the first time I have received a notice. I understand comments. Now I am wondering what this "notice on answer" is? I am also interested to know who gives ...
10
votes
1answer
189 views

New interesting page: TagOverflow

There is a new interesting page, called TagOverflow (I came to it from math SE Meta). Its results for Cross Validated are here. Or, copied in here: For discussion here: What can this teach ...
9
votes
1answer
126 views

Printing pdf with just the answer, rather than the whole page

Some answer are so interesting that I would like to print them, to read them again later on. I would also like to take advantage of the latex format, instead of printing the whole page, and print a ...
2
votes
1answer
86 views

Can I ask questions about an R package for machine learning with unclear documentation?

Machine Learning (in general) is on topic (see: Are the "Machine Learning" questions on topic?). I am working with the h2o package and the documentation ...
12
votes
2answers
324 views

How do people initially find the CV site?

What fraction of visitors first find the site via Google, other search engines, links from other sites, tips from friends or colleagues, etc.?
14
votes
3answers
280 views

Is it ok to post questions where you want to have your calculations checked by someone? [duplicate]

I am always second-guessing my calculations and to be honest multivariate calculus is not my strong point. Is it all right to post questions where you have done the derivations but would like more ...
8
votes
1answer
180 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 ...
7
votes
1answer
120 views

Is it appropriate to offer a second bounty when the first one has expired with no answer?

I'm wondering if it's against site rules or some unwritten stats.stackexchange.com etiquette. If it's not I'm wondering if it's considered to be appropriate (in the sense of wise) to make a second ...
17
votes
2answers
218 views

Are mathematical optimisation questions on topic?

I asked about integer programming before on CV and it was locked as off topic. I'm unable to find a site dedicated to math programming and optimisation on stack exchange. Any one has idea?
10
votes
1answer
189 views

Which site is the best to ask about reinforcement learning?

Reinforcement learning is part of ML and I know ML is a good topic here. However, I know there is a data science and a computer science site (and maths etc). I was wondering, where would a ...
4
votes
1answer
149 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 ...
14
votes
6answers
216 views

Community Promotion Ads - 2015

The dawn of a new year, 2015, now approaches, or has already approached, either way it means that it is now time to reset our Community Promotion Ads! What are Community Promotion Ads? Community ...
8
votes
1answer
163 views

Questions asking to check answers to end-of-chapter exercises. Appropriate or not?

I like to answer end-of-chapter exercises in various econometrics textbooks. Most of the time, there's no solution manual for me to check my answers. I wonder if it is appropriate for me to post such ...
5
votes
1answer
115 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 ...
10
votes
2answers
175 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. ...
10
votes
1answer
119 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 ...
14
votes
1answer
123 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 ...
-1
votes
3answers
200 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 ...
-3
votes
1answer
92 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 ...
5
votes
1answer
97 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 ...
8
votes
1answer
201 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 ...
7
votes
3answers
173 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 ...