R语言自选数据完成图形绘制,要求: 1.图形中至少包含两条曲线; 2.图形...答:ggplot(a)+geom_bar(aes(x1,y,fill/col=x1/x2),position='dodge',stat='summary',fun='sum'/'mean')条形图+theme(text = element_text(family='Kai'))ggplot(a)+geom_boxplot(aes(x1,y,col=x1/x2))箱线图 ggplot(a)+geom_point(aes(x1,y,col=x1/x2),position=position_jitter(...