Making more sense with numbers, part 7

Tim O'Reilly tweeted about Florence Nightingale: The passionate statistician. While I'm not a fan of pie charts, Nightingale's work here is impressive, especially given the date. We can probably ignore William Farr's advice about statistical writing, though.

By the way, I got off on my numbering in this series, giving several postings the number 4. You can now find the real Making more sense with numbers, part 5 and Making more sense with numbers, part 6, as well as earlier postings in the series.