Pie chart
circular statistical graphic
circular statistical graphic | |||||
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English: A pie chart (or a circle chart) is a circular statistical graphic, which is divided into sectors to illustrate numerical proportion.
History
edit19th century
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William Playfair, 1801
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William Playfair, 1801 (detail)
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Charles Minard, 1858
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Florence Nightingale, 1858
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Émile Cheysson, 1889
20th century
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1914
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1919
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1920
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1969
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1969
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1973
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1983
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1987
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1987
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1989
21st century
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2008
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2009
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2011
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2013
Types of pie charts
edit- 3d pie cake / Perspective pie cake
- Standard pie chart
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2D
- Doughnut chart
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2D
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3D
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3D exploded view
- Exploded pie chart
Ring chart / Sunburst chart / Multilevel pie chart