Cartesian coordinates with x and y flipped

Description

Flip cartesian coordinates so that horizontal becomes vertical, and vertical, horizontal. This is primarily useful for converting geoms and statistics which display y conditional on x, to x conditional on y.

Usage

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coord_flip(xlim = NULL, ylim = NULL, expand = TRUE)

Arguments

xlim

Limits for the x and y axes.

ylim

Limits for the x and y axes.

expand

If TRUE, the default, adds a small expansion factor to the limits to ensure that data and axes don't overlap. If FALSE, limits are taken exactly from the data or xlim/ylim.

Examples

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# Very useful for creating boxplots, and other interval
# geoms in the horizontal instead of vertical position.

ggplot(diamonds, aes(cut, price)) +
  geom_boxplot() +
  coord_flip()

h <- ggplot(diamonds, aes(carat)) +
  geom_histogram()
h
h + coord_flip()
h + coord_flip() + scale_x_reverse()

# You can also use it to flip line and area plots:
df <- data.frame(x = 1:5, y = (1:5) ^ 2)
ggplot(df, aes(x, y)) +
  geom_area()
last_plot() + coord_flip()

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