我使用以下代码生成多个箱线图,按变量的平均值排序:
zx <- replicate (5, rnorm(50))
zx_means <- (colMeans(zx, na.rm = TRUE))
colnames (zx) <- seq_len (ncol (zx))
boxplot(zx [, order (zx_means)], horizontal = FALSE, outline = FALSE)
points(zx_means [ order (zx_means)], pch = 22, col = "darkgrey", lwd = 7)
当我将代码更改为 时horizontal = TRUE
,我无法使这些点与箱线图对齐。关于如何正确添加points
到水平箱线图的任何想法?