scale_linetype(..., na.value = "blank")scale_linetype_continuous(...)scale_linetype_discrete(..., na.value = "blank")
name
, breaks
,
labels
, na.value
, limits
and guide
. See
discrete_scale
for more detailsNA
values.Default line types based on a set supplied by Richard Pearson, University of Manchester. Line types can not be mapped to continuous values.
base <- ggplot(economics_long, aes(date, value01)) base + geom_line(aes(group = variable))
base + geom_line(aes(linetype = variable))
# See scale_manual for more flexibility