我正在使用plotrix包中的stackpoly()
命令在R中绘制一个堆叠面积图。默认颜色非常刺眼,有没有办法使用符号或灰度代替?
来自?stackpoly
:
col: Color to fill the polygons. If NULL, ‘rainbow’ will be called
to generate the colors. If NA, the polygons will not be
filled.
稍微修改一下来自?stackpoly
的例子:stackpoly(matrix(cumsum(testx),nrow=10),main="Test Stackpoly I",
xaxlab=c("One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten"),
border="black",staxx=TRUE,
col=gray(seq(0.1,0.9,length=10)))