| Name | Lines of code | Maintainability | Test coverage |
| examples/plot_histogram/plot.rb | 20 | A 1 hr | |
| examples/use_multi_word_option_keys/plot.rb | 24 | A 20 mins | |
| examples/multiplot/plot.rb | 26 | A 50 mins | |
| lib/gnuplotrb.rb | 26 | A 0 mins | |
| lib/gnuplotrb/external_classes/daru.rb | 27 | A 50 mins | |
| lib/gnuplotrb/mixins/error_handling.rb | 33 | A 25 mins | |
| lib/gnuplotrb/staff/settings.rb | 40 | A 0 mins | |
| lib/gnuplotrb/staff/datablock.rb | 46 | A 0 mins | |
| lib/gnuplotrb/mixins/plottable.rb | 56 | A 0 mins | |
| lib/gnuplotrb/animation.rb | 71 | A 0 mins | |
| lib/gnuplotrb/fit.rb | 82 | A 35 mins | |
| lib/gnuplotrb/staff/terminal.rb | 89 | A 0 mins | |
| lib/gnuplotrb/mixins/option_handling.rb | 101 | A 0 mins | |
| lib/gnuplotrb/multiplot.rb | 103 | A 55 mins | |
| lib/gnuplotrb/staff/dataset.rb | 110 | A 25 mins | |
| lib/gnuplotrb/plot.rb | 114 | A 2 hrs |