Add centered label plotting commands

Add ggplot instructions to label the center of each group on a scatter plot. This is a utility function that is intended for use in .generateDotPlot.

.addLabelCentersCommands(x, commands)

Arguments

x

An instance of a DotPlot class.

commands

A character vector representing the sequence of commands to create the ggplot object.

Value

A character vector containing commands plus any additional commands required to generate the labels.

Author

Aaron Lun