library(RColorBrewer)
ggplot(mpg,aes(manufacturer, fill=class))+
geom_bar(width=0.5)+
theme_minimal()+
theme(axis.text.x = element_text(angle=65))+
scale_fill_brewer(palette="Spectral")+
labs(title="Barplot", subtitle = "Manufacturer across vehicle Classes",caption="Source:mpg")