R: Add arbitrary expression to a label. The symbol that will be...

math_format {scales} | R Documentation

## Add arbitrary expression to a label. The symbol that will be replace by the label value is `.x`.

### Description

Add arbitrary expression to a label. The symbol that will be replace by the label value is `.x`.

### Usage

    math_format(expr = 10^.x, format = force)

### Arguments

`expr` | expression to use
`format` | another format function to apply prior to mathematical transformation - this makes it easier to use floating point numbers in mathematical expressions.

### Value

a function with single parameter x, a numeric vector, that returns a list of expressions

### See Also

`plotmath`

### Examples

    math_format()(1:10)
    math_format(alpha + frac(1, .x))(1:10)
    math_format()(runif(10))
    math_format(format = percent)(runif(10))

[Package scales version 0.5.0 Index]