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https://github.com/ruby-numo/numo-gnuplot https://github.com/ruby-numo/numo-gnuplot There's always good 'ol Gnuplot and it's many wrappers... This one looks n

https://github.com/ruby-numo/numo-gnuplot https://github.com/ruby-numo/numo-gnuplot There's always good 'ol Gnuplot and it's many wrappers... This one looks nice.