barlabel: Bar plot labels

In raredd/plotr: More plotting functions and examples

Bar plot labels

Description

Add labels to a barplot.

Usage

barlabel(
  x,
  labels = x,
  at = barplot(x, plot = FALSE, horiz = horiz, beside = beside),
  horiz = FALSE,
  beside = FALSE,
  hadj = 0,
  vadj = 0,
  position = c("middle", "top", "bottom"),
  plot = TRUE,
  ...
)

Arguments

x	a vector or matrix of bar heights, typically the same object used in barplot(x)
labels	labels for each bar segment
at	the position of the midpoint of each bar
horiz	logical; plot vertical (default) or horizontal bars
hadj, vadj	optional horizontal and vertical adjustments to the calculated coordinates
position	the position for labels relative to each bar segment, one of "middle" (default), "top", or "bottom"
plot	logical; if TRUE, labels are drawn; otherwise, calculated coordinates are returned invisibly
...	additional graphical parameters passed to text or further to par

Value

A list containing the x- and y-coordinates at which labels were drawn.

Examples

x <- table(mtcars$gear)
barplot(x)
barlabel(x, position = 'top', pos = 3L)

x <- table(mtcars$gear, mtcars$vs)
barplot(x)
barlabel(x, labels = sprintf('n = %s (%.1f%%)', x, x / colSums(x) * 109),
         col = cm.colors(nrow(x)))

bp <- barplot(x, beside = TRUE)
barlabel(x, beside = TRUE)

raredd/plotr documentation built on Nov. 19, 2023, 4:09 a.m.