This work explored different ways of using graphical statistical methods to communicate the information contained in the HDI.

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The HDI tree was one of the graphical statistical methods introduced in the visualization study conducted by MIT professor Cesar A. Hidalgo with the help of Northeastern University Professor of Design Isabel Meirelles and designers Geoffrey House and Dave Landry.

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The patent covers touch screen devices, methods, and graphical user interface for determining commands by applying heuristics.

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