R语言-ggplot绘制柱形图_r语言柱形图ggplot

用ggplot2包绘制柱形图

#加载R包
library(ggplot2)
#读取电脑上csv文件
data<-read.csv(file=file.choose(),header=T,sep=",")
 
chao<- ggplot(data,aes(x,chao,fill=group1))
+scale_color_manual(values=rep(c("red","blue"),time=6))
+geom_bar(stat="identity",position="stack",width=0.75)
+theme(axis.title=element_blank(),axis.text.x=element_text(colour="black",size=10,face="bold"))
+theme_classic()
+theme(axis.ticks.length.x=unit(0,'cm'),panel.background=element_blank(),panel.grid.minor=element_blank(),panel.grid.major=element_blank(),legend.title=element_blank(),legend.text=element_text(face="bold",color = "black",size=13))
+labs(x="",y="",title = "Chao1")
+scale_y_continuous(expand = c(0,0))
+theme(axis.line = element_line(arrow =arrow(length = unit(0.15,'cm')) ))