Flow

Flow charts are those that represent the connections, relationships or processes between the observations

Sankey diagrams in ggplot2 with ggsankey

Sankey diagrams in ggplot2 with ggsankey
Alluvial plot in ggplot2 with ggalluvial

Alluvial plot in ggplot2 with ggalluvial
Waterfall charts in ggplot2 with waterfalls package

Waterfall charts in ggplot2 with waterfalls package
Chord diagram in R with circlize

Chord diagram in R with circlize