library(gghighlight)
#> Loading required package: ggplot2
ggplot(economics_long, aes(date, value01, colour = variable)) +
geom_line() +
gghighlight()
#> Warning: Detecting old grouped_df format, replacing `vars` attribute by
#> `groups`
#> label_key: variable
Created on 2019-02-16 by the reprex package (v0.2.1)