I can plot parallel coordinates graphs with Gnuplot 5.0. For instance:
plot "ranking_top10.dat" using 4:5:6:7:8:2 with parallel lt 1 lc variable
build 5 axes and lines of different colors. However, I want to associate keys with each of these lines. For example, I want to associate a key (string) with a purple line and show it in the picture. How to do it?
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