Adding texts to boxplot - ggplot2

Question

I would like to manually add text to indicate significant differences on my graphs by adding letters (e.g. a, b and c) over specific locations on my boxplot using ggplot2. So essentially, I want to be able to add text where I want on the plot.

I have added an example of a graph in the picture above. I have entered the letters (a,b,c) manually in Microsoft Word but I would like to be able to do this in R. Can someone please help? Thank you

TarJae · Accepted Answer · 2021-08-12 13:38:43Z

1

just add this line to your code:

annotate("text", x = 3, y=10, label = "whatever")

answered Aug 12, 2021 at 13:38

TarJae

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dy_by · Accepted Answer · 2021-08-12 13:35:44Z

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use ggplot(...) + geom_text() from ggplot2.

answered Aug 12, 2021 at 13:35

dy_by

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Shawn Hemelstrand · Accepted Answer · 2021-08-12 14:13:29Z

0

Alternatively, you can try this. "Data" and "variable" are just names for what you would put in:

ggplot(data,aes(x=variable))+
    geom_boxplot(aes(y=variable2),color="variable")

answered Aug 12, 2021 at 14:13

Shawn Hemelstrand

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