The plus operator allows you to stack tmap-elements
, and groups of tmap-elements
.
Arguments
- e1
first
tmap-element
- e2
second
tmap-element
References
Tennekes, M., 2018, tmap: Thematic Maps in R, Journal of Statistical Software, 84(6), 1-39, doi:10.18637/jss.v084.i06