Lollipop charts can be created using
ggplot2: the trick is to combine
geom_point() for the dots with
geom_segment() for the stems. See this basic example to see how to proceed.
Control group order
Changing group order in a lollipop chart is important to add insight to the chart. Learn why and discover 3 methods to do so.
Highlight one or several groups to convey your message more efficiently. Play with group appearance and add text annotation.