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Chartjunk refers to all visual elements in charts and graphs that are not necessary to comprehend the information represented on the graph, or that distract the viewer from this information. Markings and visual elements can be called chartjunk if they are not part of the minimum set of visuals necessary to communicate the information understandably. Examples of unnecessary elements that might be called chartjunk include heavy or dark grid lines, unnecessary text or inappropriately complex font faces, ornamented chart axes and display frames, pictures or icons within data graphs, ornamental shading and unnecessary dimensions. Another kind of chartjunk skews the depiction and makes it difficult to understand the real data being displayed. Examples of this type include items depicted out of scale to one another, noisy backgrounds making comparison between elements difficult in a chart or graph, and 3-D simulations in line and bar charts. The term ''chartjunk'' was coined by Edward Tufte in his 1983 book ''The Visual Display of Quantitative Information''.〔 Tufte wrote: The term being relatively recent, it is still often associated with Tufte's name.〔 The concept is analogous to Adolf Loos's idea that ornament is a crime. ==See also== * Misleading graph * Lexicographic information cost, in lexicography 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「Chartjunk」の詳細全文を読む スポンサード リンク
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