scales (version 0.2.0)

trans_breaks: Pretty breaks on transformed scale.

Description

These often do not produce very attractive breaks.

Usage

trans_breaks(trans, inv, n = 5, ...)

Arguments

trans

function of single variable, x, that given a numeric vector returns the transformed values

inv

inverse of the transformation function

n

desired number of ticks

...

other arguments passed on to pretty

Examples

trans_breaks("log10", function(x) 10 ^ x)(c(1, 1e6))
trans_breaks("sqrt", function(x) x ^ 2)(c(1, 100))
trans_breaks(function(x) 1 / x, function(x) 1 / x)(c(1, 100))
trans_breaks(function(x) -x, function(x) -x)(c(1, 100))