hahaha, my mistake: Parallel Coordinates Plot (PCP), its the most conventional way to plot data in excess of 3 dimensions. Its the chart at the top of the page I sent you, with a jagged line running through each column to describe one particular row. Though, I've always thought that charts using things like colour and size to plot higher dimensional data were fun. EG:
http://geoengineeringwatch.org/art/offsite/safetygraph.jpg▾