[R] ggplot color palette

# ggplot color palette 사용

# scale_colour_brewer(palette='palette_name')
mpg %>% ggplot(aes(x = cty, y = hwy)) + 
  geom_point(aes(color = factor(class))) + 
  scale_colour_brewer(palette="Paired")

# palette 역순으로 사용 시

# scale_colour_brewer(palette="palette_name", direction = -1)

mpg %>% ggplot(aes(x = cty, y = hwy)) + 
  geom_point(aes(color = factor(class))) + 
  scale_colour_brewer(palette="Paired", direction = -1)

 

 

ggplot palette