R 丢失ggplot中的灰色边距填充

R 丢失ggplot中的灰色边距填充,r,graphics,ggplot2,R,Graphics,Ggplot2,A希望在不显示周围灰色框架的情况下绘制geom_tile()。例如: library(ggplot2) p <- ggplot(melt(volcano), aes(x = X1, y = X2, z = value,fill = value)) + geom_tile() print(p) 库(ggplot2) p只需执行打印(p1+scale\u x\u continuous(expand=c(0,0))+scale\u y\u continuous(expand=c(0,0)),

A希望在不显示周围灰色框架的情况下绘制geom_tile()。例如:

library(ggplot2)
p <- ggplot(melt(volcano), aes(x = X1, y = X2, z = value,fill = value)) + geom_tile() 
print(p)
库(ggplot2)
p只需执行
打印(p1+scale\u x\u continuous(expand=c(0,0))+scale\u y\u continuous(expand=c(0,0))
,这将消除周围的灰色空间