print.ggplot

0th

Percentile

Explicitly draw plot

Generally, you do not need to print or plot a ggplot2 plot explicitly: the default top-level print method will do it for you. You will, however, need to call print() explicitly if you want to draw a plot inside a function or for loop.

Keywords
hplot
Usage
# S3 method for ggplot
print(x, newpage = is.null(vp), vp = NULL, ...)

# S3 method for ggplot plot(x, newpage = is.null(vp), vp = NULL, ...)

Arguments
x

plot to display

newpage

draw new (empty) page first?

vp

viewport to draw plot in

...

other arguments not used by this method

Value

Invisibly returns the result of ggplot_build(), which is a list with components that contain the plot itself, the data, information about the scales, panels etc.

Aliases
  • print.ggplot
  • plot.ggplot
Examples
# NOT RUN {
colours <- list(~class, ~drv, ~fl)

# Doesn't seem to do anything!
for (colour in colours) {
  ggplot(mpg, aes_(~ displ, ~ hwy, colour = colour)) +
    geom_point()
}

# Works when we explicitly print the plots
for (colour in colours) {
  print(ggplot(mpg, aes_(~ displ, ~ hwy, colour = colour)) +
    geom_point())
}
# }
Documentation reproduced from package ggplot2, version 3.0.0, License: GPL-2 | file LICENSE

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