我是用googleVis
> library(googleVis)
> trees2<-trees
>trees2$id<-as.character(1:31)
> Bubble<-gvisBubbleChart(trees2,idvar="id",xvar="Girth",yvar="Height",sizevar="Volume",options=list(vAxis="{title:'height'}",hAxis="{title:'Girth'}"))
> plot(Bubble)
我有一张图表,但圆圈太大;;
有没有办法像符号功能一样控制圆圈的大小?