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The function is based on the example found here: https://www.r-bloggers.com/2012/05/adding-watermarks-to-plots/.

Usage

add_watermark(
  watermark_toggle = TRUE,
  lab = "For Internal Use Only",
  col = "grey",
  alpha = 0.7,
  fontface = "plain",
  rot = 0,
  width = 0.6,
  pos = c(0.5, 0.5),
  align = "centre"
)

Arguments

watermark_toggle

Set to TRUE to insert a watermark layer for ggplot

lab

Text to be displayed

col

Color of watermark text

alpha

Text transparency

fontface

"plain" | "bold" | "italic" | "bold.italic"

rot

rotation (0,360), NA = from lower left to upper right corner

width

text width relative to plot

pos

x- and y-position relative to plot (vector of length 2)

align

"left" | "right" | "center" | "centre" | "top" | "bottom", can also be given as vector of length 2, first horizontal, then vertical