Quote:
Originally Posted by HarryT
How are you allowing for books which are present in multiple categories? What proportion of books are in multiple categories?
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I'm not, and the user who'd been collecting the data back to September hadn't been either. I don't think there's really a way we can accurately calculate how many books cross categories, but even if you call it 25% (seems unlikely), then we're still looking at a good 25,000 books.