This is a good place to introduce a term called
faceting. The definition is a particular aspect or feature of something, or one side of something many-sided, especially of a cut gem. Basically instead of plotting the grouped graphics on the same plotting area, we let each group have it’s own plot, or facet.
We add a
facet_wrap() and specify that we want to panel on the color group. Note the twiddle in front of color.
The grid placement can be semi-controlled by using the
ncol argument in the
It is important to compare distributions across groups on the same scale, and our eyes can compare items vertically better than horizontally. So let’s force