Cord Diagrams in R

A nice Cord Diagram produced with just two statements in R (see (1)):

par(mar = c(1, 1, 1, 1), bg="violetred4") circlize::chordDiagram(matrix(1, 20, 20), col="white", symmetric = TRUE, transparency = 0.85, annotationTrack = NULL)

A collection of more meaningful graphs is in (2). Particularly impressive is:

 

References

1. https://fronkonstin.com/2016/08/22/the-breathtaking-1-matrix/
2. http://zuguang.de/circlize/