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library(ggplot2)
library(lattice)
a=data.frame(value=c("20","18","16","14","12"),city=c("A","B","C","D","E"))
p=ggplot(a,aes(x="",y=value,fill=city))+geom_bar(stat="identity")+coord_polar(theta="y")
b=p+ylab("value")+xlab("city")+ggtitle("R2-35")+theme(legend.position = "top")
b
ggplot(singer,aes(x=voice.part,y=height,fill=voice.part))+geom_boxplot()+theme(legend.position = "top")+ggtitle("R2-35")
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