Sunday, July 17, 2011

Triangular plot



The triangular plot uses three different variables in comparison. These three variables form the sides of a triangle, and the inside of the triangle is used to plot different data points among the percentages of how related a data point is to the variables. For example, a point very close to the bottom left corner of the chart would be most related to the left and bottom variable, but almost entirely unrelated to the right most one. The triangular plot shown here compares different soil sample types to the variables silt, sand, and clay. From the look of these samples, it would appear many of them were related most to sand and clay, and a few had resemblance to silt.

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