Is there any way I can make these colour more obvious in my geom_bar ggplot graph? In particular the blue / green ones. Also is there a way to have a white line/space between the colors as the top and bottom ones do?
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Prradep
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user8491385
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You could try another palette using for example [ggthemr](https://github.com/cttobin/ggthemr) – larsen Sep 26 '17 at 07:35
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For white line, try adding `colour = "white"` inside your `geom_bar()`? – Z.Lin Sep 26 '17 at 08:53
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geom_bar (colour = "white") doesn't work – user8491385 Sep 26 '17 at 09:06
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Please provide a [reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example). What you have tried so far? – Prradep Sep 26 '17 at 11:29
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colour = "white" should help you differentiate the colours. If not, then increase size=2. For example:
library(vcd)
data(Arthritis)
ggplot(Arthritis, aes(x = Treatment, fill = Improved)) +
geom_bar(colour = "white", size=2)
Prradep
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