小编Zak*_*ang的帖子

Scatterplot<-ggplot(
     diamonds[sample(nrow(diamonds), 1000), ],
     aes(carat, price, colour=clarity)
  )+
  geom_point(position="jitter", alpha=0.6)+
  facet_grid(~cut) + 
  scale_x_continuous(breaks=seq(0, 5, 1)) + 
  geom_boxplot(alpha=0, colour="black") +  
  scale_color_brewer(palette = "Set1")
  plot(Scatterplot)

我找不到有关此警告的任何线索。有谁知道？请检查图片：