ggplot2 - R: Using only one extrernal vector in as variable in ggplot

Question

This question already has answers here: question from:https://stackoverflow.com/questions/65850933/r-using-only-one-extrernal-vector-in-as-variable-in-ggplot

Answer 1

Try this using sym() and !!:

v <- ('cty')
v <- sym(v)
plot <- mpg %>% 
  ggplot(aes(x= model, y = !!v))+
  geom_boxplot()+
  coord_flip()+
  geom_jitter(aes(color = year))

Output: