Horizontal Bar Graphs With Labels in Gnuplot

January 10th, 2011
tech
I wanted a horizontal bar graph with labels. Gnuplot doesn't like to make such things, but after a while of searching I figured out how to convince it to. Data file:
  # index, age, name
  1       24      jeff
  2       25      julia
  3       22      rose
  4       20      alice
  
Gnuplot file:
  set terminal png size "200x200"
  set output 'demo.png'
  set nokey
  unset border
  unset xtics

  plot 'demo.dat' using 1:(-1):3 with labels rotate right, \
       'demo.dat' using 1:2 with boxes
  
Then rotate right in an image editor to get:

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