Add Horizontal Arrow with Text Label to a ggplot — add_h_arrow • sigminer

Add Horizontal Arrow with Text Label to a ggplot

add_h_arrow(
  p,
  x,
  y,
  label = "optimal number",
  space = 0.01,
  vjust = 0.3,
  seg_len = 0.1,
  arrow_len = unit(2, "mm"),
  arrow_type = c("closed", "open"),
  font_size = 5,
  font_family = c("serif", "sans", "mono"),
  font_face = c("plain", "bold", "italic")
)

Arguments

p: a ggplot.
x: position at x axis.
y: position at y axis.
label: text label.
space: a small space between arrow and text.
vjust: vertical adjustment, set to 0 to align with the bottom, 0.5 for the middle, and 1 (the default) for the top.
seg_len: length of the arrow segment.
arrow_len: length of the arrow.
arrow_type: type of the arrow.
font_size: font size.
font_family: font family.
font_face: font face.

Value

a ggplot object.