geom_alluvial: geom_alluvial

In thisplot: Utility Functions for Plotting

geom_alluvial

Description

Creates an alluvial plot which visualize flows between nodes. Each observation needs to have a 'x' aesthetic as well as a 'next_x' column which declares where that observation should flow. Also each observation should have a 'node' and a 'next_node' aesthetic which provide information about which group in the y-direction.

Usage

geom_alluvial(
  mapping = NULL,
  data = NULL,
  position = "identity",
  na.rm = FALSE,
  show.legend = NA,
  space = 0,
  width = 0.1,
  smooth = 8,
  inherit.aes = TRUE,
  ...
)

Arguments

mapping	Provide you own mapping. Both x and y need to be numeric.
data	Provide you own data.
position	Change position.
na.rm	Remove missing values.
show.legend	Show legend in plot.
space	Space between nodes in the y-direction.
width	Width of nodes.
smooth	How much smooth should the curve have? More means steeper curve.
inherit.aes	Should the geom inherit aesthetics.
...	Other arguments to be passed to the geom.

Value

A ggplot layer.

thisplot documentation built on March 7, 2026, 5:07 p.m.