The plots are similar to the graphs described in:
Abdi, H., Valentin, D., O'Toole, A.J., & Edelman, B. (2005). DISTATIS: The
analysis of multiple distance matrices. Proceedings of the IEEE
Computer Society: International Conference on Computer Vision and Pattern
Recognition. (San Diego, CA, USA). pp. 42-47.
Abdi, H., Williams, L.J., Valentin, D., & Bennani-Dosse, M. (2012). STATIS
and DISTATIS: Optimum multi-table principal component analysis and three way
metric multidimensional scaling. Wiley Interdisciplinary Reviews:
Computational Statistics, 4, 124--167.
Abdi, H., Dunlop, J.P., & Williams, L.J. (2009). How to compute reliability
estimates and display confidence and tolerance intervals for pattern
classiffers using the Bootstrap and 3-way multidimensional scaling
(DISTATIS). NeuroImage, 45, 89--95.
Abdi, H., & Valentin, D., (2007). Some new and easy ways to describe,
compare, and evaluate products and assessors. In D., Valentin, D.Z. Nguyen,
L. Pelletier (Eds) New trends in sensory evaluation of food and
non-food products. Ho Chi Minh (Vietnam): Vietnam National University-Ho
chi Minh City Publishing House. pp. 5--18.
The \(R_V\) coefficient is described in
Abdi, H. (2007). RV coefficient and congruence coefficient. In N.J. Salkind
(Ed.): Encyclopedia of Measurement and Statistics. Thousand Oaks
(CA): Sage. pp. 849--853.
Abdi, H. (2010). Congruence: Congruence coefficient, RV coefficient, and
Mantel Coefficient. In N.J. Salkind, D.M., Dougherty, & B. Frey (Eds.):
Encyclopedia of Research Design. Thousand Oaks (CA): Sage. pp.
222--229.
These papers are available from
https://personal.utdallas.edu/~herve/