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require 'gnuplot'
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x = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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y = [2.7, 2.8, 31.4, 38.1, 58.0, 76.2, 100.5, 130.0, 149.3, 180.0]
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Gnuplot.open do |gp|
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Gnuplot::Plot.new( gp ) do |plot|
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plot.data << Gnuplot::DataSet.new( [x, y] ) do |ds|
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ds.with = "linespoints"
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ds.notitle
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end
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end
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end
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