Properties for parameters of the default stat of geomDotplot().
Maximum number of bins, used when method is "histodot".
When method is "dotdensity", this specifies maximum bin width. When method is "histodot", this specifies bin width.
A boundary between two bins, used when method is "histodot".
The center of one of the bins, used when method is "histodot".
Use "dotdensity" for dot-density binning, or "histodot" for fixed bin widths (like in geomHistogram).