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A bubble chart is a type of chart that displays three dimensions of data. Bubble chart may also refer to: * In architecture, the term "bubble chart" is also applied to a first architectural sketch of the layout constructed with bubbles.〔Bryan Lawson (2004). ''What Designers Know''. Elsevier, 2004. ISBN 0-7506-6448-7. p.44.〕 * In software engineering, "bubble chart" can refer to a data flow, a data structure or other diagram in which entities are depicted with circles or bubbles and relationships are represented by links drawn between the circles. * In Information visualization, a "bubble chart" is a technique in which a set of numeric quantities is represented by closely packed circles whose areas are proportional to the quantities. Unlike a traditional bubble chart, such displays don't assign meaning to x- or y-axis positions, but seek to pack circles as tightly as possible to make efficient use of space. Bubble charts were introduced by Fernanda Viegas and Martin Wattenberg〔2007: Many Eyes: A Site for Visualization at Internet Scale. Fernanda B. Viégas, Martin Wattenberg, Frank van Ham, Jesse Kriss, Matt McKeon. IEEE Symposium on Information Visualization.〕 and have since become a popular method of displaying data. Bubble charts are included in popular visualization toolkits such as D3〔(【引用サイトリンク】 title=Bubble Chart )〕 and have been used by the New York Times. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bubble chart (disambiguation)」の詳細全文を読む スポンサード リンク
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