Percentages for geom_text in stacked barplot with counts

Question

I want to have a stacked barplot with percentages in it based on counts. I have almost reached what I want but every value in the text is 100% instead of the real percentage ... I think there is one small mistake in my code but I can not find it.


ggplot(
  mtcars,
  aes(fill = factor(gear), 
      x = factor(carb))
) + 
  geom_bar(stat = "count", 
           position = "fill", 
           color = "black",
           width = 0.5) + 
  geom_text(aes(label = scales::percent(..prop..)), 
            position = position_fill(vjust = 0.5), 
            stat = "count") + 
  coord_flip()

Does this answer your question? How to draw stacked bars in ggplot2 that show percentages based on group? — tjebo
– tjebo, Commented Dec 22, 2019 at 23:35

TobiO · Accepted Answer · 2019-12-24 00:18:10Z

9

Building on this answer

You can use this:

ggplot(
  mtcars,
  aes(fill = factor(gear), 
      x = factor(carb))
) + 
  geom_bar(stat = "count", 
           position = "fill", 
           color = "black",
           width = 0.5) + 

  geom_text(aes(label = scales::percent(..count../tapply(..count.., ..x.. ,sum)[..x..])),
            position = position_fill(vjust = 0.5),
            stat = "count") +
  coord_flip()

edited Dec 24, 2019 at 0:18

answered Dec 22, 2019 at 23:29

TobiO

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