# coord_fixed

From ggplot2 v2.1.0
by Hadley Wickham

##### Cartesian coordinates with fixed relationship between x and y scales.

A fixed scale coordinate system forces a specified ratio between the
physical representation of data units on the axes. The ratio represents the
number of units on the y-axis equivalent to one unit on the x-axis. The
default, `ratio = 1`

, ensures that one unit on the x-axis is the same
length as one unit on the y-axis. Ratios higher than one make units on the
y axis longer than units on the x-axis, and vice versa. This is similar to
`eqscplot`

, but it works for all types of graphics.

##### Usage

`coord_fixed(ratio = 1, xlim = NULL, ylim = NULL, expand = TRUE)`

##### Arguments

- ratio
- aspect ratio, expressed as
`y / x`

- 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

```
# ensures that the ranges of axes are equal to the specified ratio by
# adjusting the plot aspect ratio
p <- ggplot(mtcars, aes(mpg, wt)) + geom_point()
p + coord_fixed(ratio = 1)
p + coord_fixed(ratio = 5)
p + coord_fixed(ratio = 1/5)
# Resize the plot to see that the specified aspect ratio is maintained
```

*Documentation reproduced from package ggplot2, version 2.1.0, License: GPL-2*

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