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ruby-toolbox.com/projects/ruby-plot
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About ruby-plot

ruby-plot is a Ruby wrapper around gnuplot for plotting ROC curves to SVG files. It accepts paired true-positive-rate and false-positive-rate data from files or from arrays and can create 1 to n curves in one plot. It requires gnuplot to be installed separately, and the project page reports no release since 2012-02-28 and no commit activity in the last 3 years.

Key features

  • Exports ROC curve data to SVG files via gnuplot
  • Creates 1 to n curves in one plot
  • Reads paired true-positive and false-positive rate files
  • Accepts paired true-positive and false-positive rate arrays
  • Requires separate gnuplot installation before use
  • Expects input values from 0 to 100
Best for: Ruby users who need to generate SVG ROC plots from paired rate data with gnuplot.
Good for
  • Supports both file-based script input and array-based method input
  • Can include multiple ROC curves in a single SVG plot
Watch out for
  • Requires a separate gnuplot installation to function
  • No release since 2012-02-28
  • No commit activity in the last 3 years

ruby-plot at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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ruby-plot FAQ

What is required to use ruby-plot?
Gnuplot must be installed before use, for example with sudo apt-get install gnuplot on Debian systems.
What input format does it use?
At least one pair of true-positive-rate and false-positive-rate inputs, with one number from 0 to 100 per line or per array entry.
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