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We can use the Data Explorer to see how often we up- and downvote. This query compares the number of posts (including deleted ones) and the number of up- and downvotes for all sites in the network. On MathOverflow, a post receives (on average) 5.29 upvotes and 0.46 downvotes. Of the 176 sites in the network, we're #23 when it comes to upvotes per post, and #...


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I can answer this part of the question with the Stack Exchange Data Explorer. What is the maximum degree of a node in $G$? How are the degrees of nodes distributed? This query shows a list of questions with the most links. Question Number of links Proposals for polymath projects 48 Examples of common false beliefs in mathematics 47 Not especially ...


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Here are some additional SEDE queries. (As my knowledge of SQL is rather limited, take all of this with a grain of salt.) Percentage of Upvotes and Percentage of Upvotes (multisite). MathOverflow currently gives 91.94%. We can obtain average number of up/down-votes on post which weren't deleted if we look into table Posts rather than PostsWithDeleted. (But ...


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