require 'daru/view'

df =     Daru::DataFrame.new(
      {
        a: [1, 2, 3, 4, 5, 6],
        b: [1, 5, 2, 5, 1, 0],
        c: [1, 6, 7, 2, 6, 0]
      }, index: 'a'..'f'
    )

plt = Daru::View::Plot.new(df, type: :line, x: :a, y: :c) 

plt.show_in_iruby

Daru::View.plotting_library = :nyaplot

plt2 = Daru::View::Plot.new(df, type: :line, x: :a, y: :b) 

plt2.show_in_iruby

dv = Daru::Vector.new [1, 2, 3] 

plt3 = Daru::View::Plot.new(dv)

plt3.show_in_iruby

plt3 = Daru::View::Plot.new(dv, type: :line)

plt3.show_in_iruby