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Updated with working code (tnx @rasher @mfvonh) Let’s start by importing Fisher’s classic dataset on Iris flower measurements… Fisher’s classic paper can be found here…. Needs["MultivariateStatistics"] (*Import Data*) irisData = Import["http://aima.cs.berkeley.edu/data/iris.csv", "CSV"]; plotLabels = {"Sepal.Length", "Sepal.Width", "Petal.Length", ...

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It's not a TreeMap using non-rectangles. But maybe can expire someone to go beyond. I believe that I get a nice squarification using this article suggested by @M.R. The code is for Mathematica V10, and can be tested in the WolframCloud. I played with Associations and some others new MMA funcitons as Area and the new @* notation. (*Test Function*) ...

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So thanks to @mfvonb I was able to get a start building a preliminary form to create such a dashboard: Mathematica by default needs to load the database functionality into memory (like any header file) in order to function. Needs["DatabaseLink"]; Creates the connection to the database from which the data can be pulled. conn = ...

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In version 10, ListPlot chooses point size automatically. They have used this exact example to demonstrate it here.

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