View source: R/position_stackx.R
position_stackx  R Documentation 
Stack overlapping objects which can be shifted vertically or horizontally
position_stackx(vjust = 1, hexpand = NA, vexpand = NA, reverse = FALSE)
vjust 
Vertical adjustment for geoms that have a position
(like points or lines), not a dimension (like bars or areas). Set to

hexpand 
numeric, distance to be shifted horizontally for geoms that have a position, default is NA. 
vexpand 
numeric, distance to be shifted vertically for geoms that have a position, default is NA. 
reverse 
If 
position method.
Shuangbin Xu
library(ggplot2) library(patchwork) df < data.frame(trt = c("a", "b", "c"), outcome = c(2.3, 1.9, 3.2)) # p1 < ggplot(df, aes(x=trt, y=outcome)) + geom_bar(stat="identity", position=position_stackx()) p2 < ggplot(df, aes(x=trt, y=outcome)) + geom_bar(stat="identity", position=position_stackx(vexpand=5)) p3 < ggplot(df, aes(x=outcome, y=trt)) + geom_bar(stat="identity", orientation="y", position=position_stackx(hexpand=5)) p < p1 + p2 + p3 p
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