R语言绘图如何让多个图像显示于同一图中答:将4张图分屏显示在同一图中,代码如下:数据:pie.sales <-c(39,200,42,15,67,276,27,66)names(pie.sales) <- c("EUL","PES","EFA","EDD","ELDR","EPP","UNE","other")分屏:split.screen(c(2,2))figure 1:screen(1)pie(pie.sales,radius = 0.9,main = "Ordinary chart"...