有人知道如何让R包VennDiagram根据集合大小缩放三个交叉集合的Venn图中的圆吗?
我可以用venneular包实现这样的缩放,但与VennDiagram相比,我认为它在其他图形选项方面有点受限。
VennDiagram包文档建议将参数'scaled'设置为TRUE应该可以解决问题,但我发现这会产生三个相等大小的圆。
该软件包文档神秘地暗示,scaled参数可能只适用于某些图表:
?draw.triple.venn
揭示:
缩放:
"布尔值,指示是否根据集合大小在某些欧拉图中按比例缩放圆圈大小"
和
?venn.diagram
#Argument Venn Sizes Class Description
#scaled 2, 3 logical Enable scaling for two-set and certain three-set Euler diagrams.
我的代码的玩具示例:
require(VennDiagram)
venn.plot <- draw.triple.venn(
area1 = 70,
area2 = 250,
area3 = 500,
n12 = 30,
n23 = 60,
n13 = 10,
n123 = 5,
category = c("C1", "C2", "C3"),
fill = c("blue", "red", "green"),
scaled=TRUE)
tiff(filename = "test.tiff", compression = "none",type = "quartz",antialias = "none")
grid.draw(venn.plot)
dev.off()
同样地,使用 'venn.diagram' 函数的这段代码无法产生所需的缩放效果:
venn.diagram(x=list(A=c(1:15,16:20), B=c(6:15,21:30,100:150), C=c(11:30,200:300)),
filename="test.tiff",
fill = c("blue", "yellow", "red"), scaled=TRUE)
非常感谢
Jim