Function referenceA layer combines data, aesthetic mapping, a geom (geometric object), a stat (statistical transformation), and a position adjustment. Typically, you will create layers using a geom_ function, overriding the default position and stat if needed. layer_geoms Layer geometry display geom_abline() geom_hline() geom_vline() Reference lines: horizontal, vertical, and diagonal geom_bar() geom_col() stat_cou
