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I'm a relatively unobscure user with 203/716, despite having 4% of my library shared with only 1 other user and 7.5% solely held by me.
My ratio is hence 0.28 median to mean.
How much variation is there?
From Zeitgeist there are 11632503 books and 1,795,398 works held by 168651 people, so if everything was distributed evenly each person would have 69 books each shared with 6 other people and the median and the mean would be the same (6), with a ratio of 1.
However "if everything was distributed evenly" is a vast assumption.
Maybe if we get a few more posts we'll be able to work out the average of those users who respond to a question in the obscure group.
Does that mean I'm more or less obscure than the average?
your Library is more obscure than mine, less obscure than readafew's and considerably less obscure than the "if everything was shared out equally" which has figures of 6/6.
A high mean can come about by having lots of Harry Potter books, even though most of your library is obscure. The median might be 10, and the mean might be 800, if you own only extremely popular and extremely unpopular works. But if you own mostly middle range books, you might end up having a mean of 600 and a median of 400, because you don't have Harry Potter, and you don't have rare titles either.
Mine is something like 7/165. This is due to having a lot of old books which few seem to have, plus unocmmon type collections, like older travel guides, railroad material, Episcopal Church. My wife has Myrtle Reed books, for instance, plus some Barbie books.
-- Bob Campbell
I gotta quit reading "popular" books ... in the past month I've slipped to a .07 ratio with 18/269!
Just start deleting those "popular" books. And if you pick up something "popular" in future, just forget to catalogue it. I won't tell...
Four Harry Potters at one end, and about 450 unshared books at the other. It would be tempting to give away the HP's to a deserving child...
24 books shared with no one else (mostly old college textbooks and a few books on sailing) and 13 with one other. Interestingly, I share more books with 2 other people than with 1. Here's the number of books I share with others starting with 0:
24, 13, 18, 12, 6, 9, 12, 9, 7, 7, 3, 5, 0, 7, 5, 4, 2, 4, 4, 3, 5, 5, 2, 7, 2, 3, 1, 3, 4, 1.....
and my most popular book is The Hobbit shared with 14042 others.