Dumbbell Plot — geom_dumbbell • OCepi

Line plot with two points at each end representing different values.

Usage

geom_dumbbell(
  data = NULL,
  mapping = NULL,
  show.legend = NA,
  inherit.aes = TRUE,
  position = "identity",
  na.rm = FALSE,
  colour_x = NULL,
  colour_xend = NULL,
  size = NULL,
  linewidth = NULL,
  colour = NULL,
  ...
)

GeomDumbbell

Format

An object of class GeomDumbbell (inherits from Geom, ggproto, gg) of length 7.

Arguments

data: Dataframe.
mapping: Requires following aesthetics: x = starting point, xend = ending point, y = category/factor.
show.legend: Boolean.
inherit.aes: If TRUE combine with default mapping at the top level of the plot.
position: Default set to "identity".
na.rm: Boolean to remove NA values.
colour_x: Color of starting point.
colour_xend: Color of ending point.
size: Size of points.
linewidth: Line thickness.
colour: Line color.
...: Other args, man.

Value

Dumbbell plot.

Examples

library(ggplot2)
df <- data.frame(Country = c("UK-A","US-A","UK-B","US-B"), PRE = c(0,1,2,3), POST = c(4,5,6,7))
ggplot(data = df, aes(x = PRE, xend = POST, y = Country)) +
 geom_dumbbell(colour_x = "blue", colour_xend = "red", size = 3, linewidth = 3, colour = "black") +
 labs(title = "Dumbbell Plot", x = "Pre/Post Scores", y = "Country")