Thursday, August 7, 2008

Triangular Plot


A triangular plot is a graph of a system of three variables. It is most often used in geologic studies to show the relative compositions of soils and rocks, but it can be more generally applied to any system of three variables. The proportions of the three variables plotted always sum to some constant. This particular triangular plot is of a general election in the U.K. in 2005. It was done previous to the election to estimate who would win.

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