The webtool can generate several visualizations of paired data to enable the quantitative comparison of their differences. It is based on a paper by Bland and Altman (1999)
The plot can be saved as a PNG file or a PDF file, which can be opened and edited with Adobe Illustrator to allow for fine adjustments of the lay-out.
The webtool is created and maintained by Joachim Goedhart in collaboration with Mark Rishniw Bug reports and feature requests can be communicated in several ways:
Source code is available at github/JoachimGoedhart
Find our other dataViz apps at https://huygens.science.uva.nl