Dumbbell layer (before/after per category)

Source: R/geoms-special.R

Map x (start value), xend (end value), and y (category).

geom_dumbbell(
  mapping = NULL,
  data = NULL,
  color = NULL,
  size = NULL,
  alpha = NULL,
  linewidth = NULL,
  color_start = NULL,
  color_end = NULL
)

Arguments

mapping, data, color, size, alpha

As in geom_point(); color styles the connector.

linewidth

Connector width.

color_start, color_end

Endpoint dot colors.

Value

A Layer.