An area chart or area graph displays graphically quantitative data. It is based on the line chart. The area between axis and line are commonly emphasized with colors, textures and hatchings. Commonly one compares with an area chart two or more quantities.
1 History 2 Common uses 3 Variations 4 See also 5 References
Interest of the National Debt from the Revolution (Playfair, 1786)
Exports and imports to and from Denmark & Norway from 1700 to 1780 (Playfair, 1786)
Common uses Area charts are used to represent cumulated totals using numbers or percentages (stacked area charts in this case) over time. Use the area chart for showing trends over time among related attributes. The area chart is like the plot chart except that the area below the plotted line is filled in with color to indicate volume. When multiple attributes are included, the first attribute is plotted as a line with color fill followed by the second attribute, and so on. Variations Area charts which use vertical and horizontal lines to connect the data points in a series forming a step-like progression are called step-area charts. Area charts in which data points are connected by smooth curves instead of straight lines are called spline-area charts. See also
^ Playfair, William; Wainer, Howard; Spence, Ian (2005). Playfair's Commercial and Political Atlas and Statistical Breviary. Cambridge University Press. ISBN 9780521855549. ^ Tufte, Edward (1983). The Visual Display of Quantitative Information. Cheshire, Connecticut: Graphics Press. p. 13. ISBN 0961392142. ^ "Area, Spline-Area, Step-Area Charts". AnyChart. Retrieved 29 December 2015.
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