Right, so you could do something like:
ParallelAxisPlot[{data[[{1, 2, 3, 7}]], data[[{4, 5, 6, 9}]], data[[{8}]]},
AxesLabel -> header, PlotLegends -> {"Sony", "Nikon", "Canon"}]
and see that the Sony cameras you're looking at are generally lighter and smaller than the Nikons and the Canon.
