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Re: st: weight option


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: weight option
Date   Fri, 24 Aug 2012 08:09:05 +0100

I agree strongly that pie charts generally do not work so well as bar charts: that advice is much repeated in the literature.

But let's get the history straight.

Pie charts (not named as such) are due to William Playfair.

Florence Nightingale's diagrams were not pie charts, but bar charts in polar coordinates and not original with her: she copied the design from William Farr, and he was at best the fourth person to use them.

Nick

On 23 Aug 2012, at 23:34, Clive Nicholas <clivelists@googlemail.com> wrote:

Tashi Lama replied to Sarah Edgington:

True. I could have done that. As a matter of fact, I found
graph pie hits [pw=1/doc_published], over(analyst) gives me the same pie chart as graph pie hitsperdocument, over(analyst) where hitsperdocument=hits/ doc_published

Clive Nicholas

I wouldn't bother with pie charts, if I were you; the year isn't 1859,
and you're not Florence Nightingale.

Bar graphs and histograms convey the same information much more effectively.

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