Print a ggplot (usually within knit_print.gglist)

Usage

# S3 method for class 'gg'
knit_print(
  x,
  ...,
  fig_prefix,
  fig_suffix,
  filename = NULL,
  width = 6,
  height = 4,
  units = "in"
)

x: The gg object (i.e. a ggplot)
...: Ignored
fig_prefix: Text to cat() before the figure is printed
fig_suffix: Any text to add after the figure
filename: A filename saving the plot
width, height: Plot size in units expressed by the units argument. If not supplied, uses the size of the current graphics device.
units: One of the following units in which the width and height arguments are expressed: "in", "cm", "mm" or "px".

The gg object, invisibly