layer to draw edge labels of a network
geom_edge_text(
mapping = NULL,
data = NULL,
geom = geom_text,
angle_calc = "none",
label_dodge = NULL,
...
)text layer
aesthetic mapping, default is NULL
data to plot, default is NULL
geometric layer to draw text, default is geom_text
how to calculate angle ('along' or 'none')
dodge distance
additional parameter passed to 'geom'