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我试图删除我的直方图的标题和y轴开头的位置之间的空格。我编辑了顶部,底部和侧边距,但标题和Y轴之间的间距保持不变。有什么建议么?这里是我的代码...R图形:减少主标题和图形之间的额外空间
par(mfrow=c(1,3), mar = c(4, 4, 4, 1) + 0.1, oma = c(1, 1, 3, 1))
hist(data$variable1, xlim = c(1,5),
main="Title here", breaks=seq(1,5,1),
freq=TRUE, xlab=" ", ylim = c(0,18),
border="white", col="gray", cex.main = 2)
hist(data$variable2, xlim = c(1,5),
main="Title here", breaks=seq(1,5,1),
freq=TRUE, xlab=" ", ylim = c(0,18),
border="white", col="gray", cex.main = 2)
hist(data$variable3, xlim = c(1,5),
main="Title here", breaks=seq(1,5,1),
freq=TRUE, xlab=" ", ylim = c(0,18),
border="white", col="gray", cex.main = 2)
谢谢!