Sparklines are word-like graphics that have an intensity of visual distinctions comparable to words or letters (Tufte 2006, p. 4).
Sparkline
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References
Byers, J. "Sparkline PHP Graphing Library." http://sparkline.org/.Tufte, E. "Sparklines-Revised Chapter for Beautiful Evidence." http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0001OR&topic_id=1.Tufte, E. Beautiful Evidence. Graphics Press, 2006.Referenced on Wolfram|Alpha
SparklineCite this as:
Weisstein, Eric W. "Sparkline." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Sparkline.html