http://www.evl.uic.edu/aej/424/kyoung/Training-parallelcoordinate.html
Parallel coordinate graphs are used to view multiple variables at a single time. For these types of graphs, each data set must be placed into the verticle axis's and is then corresponded to each axis through a line that connects them. This type of process is done to show any types of relationships between the different variables. This map is comparing different fish lengths in different areas. As you can see, L1, L2, and L3 show no real difference which means that they are highly correlated. However there are major differences between L21, L32, and L31 and their correlations to each other and different heights and widths.
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