Archive for 05/31/2010

Understanding Area Based Plots: Tree Maps

Posted on 05/31/2010, 21:49, by martin, under Fundamentals of Graphical Data Analysis, General, Stat. Graphics 101.

Tree layouts are not too uncommon in statistics. CART is build upon tree hierarchies and random forrest uses these trees extensively. Area based plots like barcharts or histograms are also well understood by most statisticians. But when it comes to joining the two concepts – which will yield treemaps – many statisticians get somewhat lost. […]

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