Chapter 10 6번 문제

library(RColorBrewer)
ggplot(data=mpg,aes(x=manufacturer,fill=class))+geom_bar(width=0.5)+theme(panel.background=element_rect(fill = "white"),panel.grid=element_line(colour="grey95",linetype = "solid"),axis.text.x=element_text(angle=65))+scale_fill_brewer(palette="Spectral")+labs(title="Barplot",subtitle = "Manufacturer across Vehicle Classes")