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Why is the question https://stats.stackexchange.com/questions/268914/summation-notation still on hold in Cross Validated, after I had edited it by re-wording and providing more details?

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    $\begingroup$ People should look at stats.stackexchange.com/questions/268914/summation-notation (note that not giving a URL obligates anyone interested to search for themselves). In general, editing is necessary but not sufficient. There have to be sufficient votes to re-open. Otherwise put, whether a question seems clear and on-topic to you is not decisive: it has to seem clear and on-topic to others. Flagging in this way will let other people decide whether to vote to re-open. $\endgroup$ – Nick Cox Mar 22 '17 at 12:03
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    $\begingroup$ There also has to be time for people to read it: your last edit, finally defining the variables $Y$ & $y$, was made only 10 minutes before you posted this question in Meta. Still unclear are the role of $u$, which makes an entrance early on, only to play no further part in the proceedings; & in which book or paper Hansen et al published something that bears on the matter. $\endgroup$ – Scortchi Mar 22 '17 at 12:37

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