"Playfair" returned 2 hits

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1
Author: William Playfair (1759-1823)
Bar chart, line graphs of economic data
Mediaitems: Playfair line graph: chart of national debt, Playfair bar/line chart: price of wheat and wages, Playfair line graph: chart of national debt, Playfair bar/line chart: price of wheat and wages
Category: Statistics & Graphics
2
Author: William Playfair (1759-1823)
Invention of the pie chart, and circle graph, used to show part-whole relations
Mediaitems: Playfair's 1805 Statistical Representation of the U.S.A., Playfair's 1805 Statistical Representation of the U.S.A., Playfair's diagram of population and taxes, Oxford DNB article by Ian Spence (pdf), Spence portrait
Category: Statistics & Graphics