Plot a vertical ridgeline (ridgeline rotated 90 degrees)

Plots the sum of the x and width aesthetics versus y, filling the area between x and x + width with a color. Just like geom_ridgeline(), but with y and x replaced.

  mapping = NULL,
  data = NULL,
  stat = "identity",
  position = "identity",
  na.rm = FALSE,
  show.legend = NA,
  inherit.aes = TRUE,

Set of aesthetic mappings created by aes() or aes_(). If specified and inherit.aes = TRUE (the default), it is combined with the default mapping at the top level of the plot. You must supply mapping if there is no plot mapping.


The data to be displayed in this layer. There are three options:

If NULL, the default, the data is inherited from the plot data as specified in the call to ggplot().

A data.frame, or other object, will override the plot data.

A function will be called with a single argument, the plot data. The return value must be a data.frame., and will be used as the layer data.


The statistical transformation to use on the data for this layer, as a string.


Position adjustment, either as a string, or the result of a call to a position adjustment function.


If FALSE, the default, missing values are removed with a warning. If TRUE, missing values are silently removed.


logical. Should this layer be included in the legends? NA, the default, includes if any aesthetics are mapped. FALSE never includes, and TRUE always includes.


If FALSE, overrides the default aesthetics, rather than combining with them.


other arguments passed on to layer(). These are often aesthetics, used to set an aesthetic to a fixed value, like color = "red" or size = 3. They may also be parameters to the paired geom/stat.


Required aesthetics are in bold.

  • x

  • y

  • width Width of the ridgeline, measured from the respective x value. Assumed to be positive, though this is not required.

  • group Defines the grouping. Required when the dataset contains multiple distinct ridgelines. Will typically be the same variable as is mapped to x.

  • scale A scaling factor to scale the widths of the ridgelines. A value of 1 indicates that the widths are taken as is. This aesthetic can be used to convert width units into x units.

  • min_width A width cutoff on the drawn ridgelines. All values that fall below this cutoff will be removed. The main purpose of this cutoff is to remove long tails right at the baseline level, but other uses are possible. The cutoff is applied before any width scaling is applied via the scale aesthetic. Default is 0, so negative values are removed.

  • color Color of the ridgeline

  • fill Fill color of the area under the ridgeline

  • alpha Transparency level of fill. Not applied to color. If you want transparent lines, you can set their color as RGBA value, e.g. #FF0000A0 for partially transparent red.

  • group Grouping, to draw multiple ridgelines from one dataset

  • linetype Linetype of the ridgeline

  • size Line thickness

  • geom_vridgeline
  • GeomVRidgeline

d <- data.frame(y = rep(1:5, 3), x = c(rep(0, 5), rep(1, 5), rep(3, 5)),
                width = c(0, 1, 3, 4, 0, 1, 2, 3, 5, 4, 0, 5, 4, 4, 1))
ggplot(d, aes(x, y, width = width, group = x)) + geom_vridgeline(fill="lightblue")

ggplot(iris, aes(x=Species, y=Sepal.Width, width = ..density.., fill=Species)) +
  geom_vridgeline(stat="ydensity", trim=FALSE, alpha = 0.85, scale = 2)

# }
Documentation reproduced from package ggridges, version 0.5.2, License: GPL-2 | file LICENSE

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