Tuesday, June 24, 2008
Parallel Coordinate Graph
A parallel coordinate graph is used to plot large multivariate datasets. Each variable in the data plot is represented as its own Y Axis on the graph. A maximum point for each Y axis is selected, and they are scaled relatively to each other so that each variable takes up the same area in the graph space. In this graph, each Y axis is labeled with a particular baseball statistic. The value labeled at the top of each Y axis represents the player with the highest value in that category. A scaling factor is applied to the y value in an (x,y) point, so that all of the statistics are relative in value to each other in the graph.
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