lims
From ggplot2 v2.2.1
by Hadley Wickham
Set scale limits
This is a shortcut for supplying the limits argument to the
individual scales. Note that, by default, any values outside the limits
will be replaced with NA.
Usage
lims(...)
xlim(...)
ylim(...)Arguments
- ...
- A name-value pair. The name must be an aesthetic, and the value
must be either a length-2 numeric, a character, a factor, or a date/time.
A numeric value will create a continuous scale. If the larger value comes first, the scale will be reversed. You can leave one value as
NAto compute from the range of the data.A character or factor value will create a discrete scale.
A date-time value will create a continuous date/time scale.
See Also
For changing x or y axis limits without dropping data
observations, see coord_cartesian. To expand the range of
a plot to always include certain values, see expand_limits.
Examples
library(ggplot2)
# Zoom into a specified area
ggplot(mtcars, aes(mpg, wt)) +
geom_point() +
xlim(15, 20)
# reverse scale
ggplot(mtcars, aes(mpg, wt)) +
geom_point() +
xlim(20, 15)
# with automatic lower limit
ggplot(mtcars, aes(mpg, wt)) +
geom_point() +
xlim(NA, 20)
# You can also supply limits that are larger than the data.
# This is useful if you want to match scales across different plots
small <- subset(mtcars, cyl == 4)
big <- subset(mtcars, cyl > 4)
ggplot(small, aes(mpg, wt, colour = factor(cyl))) +
geom_point() +
lims(colour = c("4", "6", "8"))
ggplot(big, aes(mpg, wt, colour = factor(cyl))) +
geom_point() +
lims(colour = c("4", "6", "8"))
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