scales: breaks_extended – R documentation

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breaks_extended

Automatic breaks for numeric axes

Uses Wilkinson's extended breaks algorithm as implemented in the labeling package.

breaks_extended(n = 5, ...)

`n`	Desired number of breaks. You may get slightly more or fewer breaks that requested.
`...`	other arguments passed on to `labeling::extended()`

Talbot, J., Lin, S., Hanrahan, P. (2010) An Extension of Wilkinson's Algorithm for Positioning Tick Labels on Axes, InfoVis 2010 http://vis.stanford.edu/files/2010-TickLabels-InfoVis.pdf.

demo_continuous(c(0, 10))
demo_continuous(c(0, 10), breaks = breaks_extended(3))
demo_continuous(c(0, 10), breaks = breaks_extended(10))

Scale Functions for Visualization

v1.1.1

MIT + file LICENSE

Authors

Hadley Wickham [aut, cre], Dana Seidel [aut], RStudio [cph]

Initial release