A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
Discussion and controversy around questions that are explicitly stated as, presumed, or suspected to be homework questions, or other routine questions from a course or a textbook. They are tagged with…
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Questions about sizes and other quantities of Cross Validated Stack Exchange site. E.g. number of unanswered questions, response/question rate, GB/day transferred, etc.
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The scope of reference requests (tag [references]) on Cross-Validated and guidelines for making them.
a flag that can be applied to answers (and sometimes questions) which lowers the barrier for editing and prevents any rep gain/loss from voting.
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The answer the question owner thought best met their needs.
Edits suggested by users without the full edit privileges (<2k for questions and answers; and <20k for tag wikis)
The scope of machine-learning related questions on Cross Validated
an editable page that briefly summarizes the topic of the tag and that may provide links to existing questions that are often useful to many people.
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An initiative created to boost the chat popularity in the beginning of Cross Validated SE.
Cross-posting refers to posting the same question on multiple websites.
Questions about attracting *new* users to visit and participate on Cross Validated
a website part of the Stack Exchange network featuring questions and answers on topics such as machine learning, data mining and treatment of large data.
Refers to user accounts either generically, or across the network.
Questions about the name of the site: "Cross Validated Stack Exchange"
For general questions about users.
HTML links, generally those created within the network on questions, answers, or the site itself.
Questions regarding the Cross Validated blog
Questions and answers posted more than a couple of years ago.
refers to the "too broad" close reason, concerning questions with either too many possible answers, where answers would be too long, or where a question's focus needs to be narrowed.
For questions discussing about statistical datasets. Note that questions which asks for particular datasets are off-topic in Cross Validated
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For subjects relating to deleted questions on Cross Validated SE. For deleted answers, use tag 'deleted-answers' instead.
allowable or desirable in question titles.
abilities to do and see more on the site that you earn with increased reputation.
Questions related to deleted answers specifically.
Mainly for questions about citing content of scientific/technical articles in Cross Validated posts, or the opposite. Other (meta) subjects relating to papers and the CV site.