Desaturate Geom Using Expression — desaturate_geom • OCepi

Highlight a bar, point, or line plot based on an expression while desaturating all other data points.

Usage

desaturate_geom(
  expr,
  pal = NULL,
  size = 3.14,
  desaturate = 0.75,
  linewidth = 1.2
)

Arguments

expr: Expression
pal: Color for highlighted data point
size: Point size if using geom_point
desaturate: Level of desaturation for non-highlighted data points, ranges from 0-1 with 1 equal to highest level of desaturation
linewidth: Linewidth if using geom_line or geom_sf

Value

Desaturated geon

Examples

df <- data.frame(locations = letters[1:5], scores = c(80,84,91,89,80))
ggplot(data = df, aes(x = locations, y = scores)) +
geom_col() +
desaturate_geom(scores==max(scores), pal = "#d55c19", desaturate = 0.7)