How to change font size of text and axes on R plots ?

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Apr 20, 2018 in Data Analytics by shams
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To change the font size of text, use cex (character expansion ratio).
The default value is 1.
To reduce the text size, use a cex value of less than 1; to increase the text size, use a cex value greater than 1.

> x <- seq(0.5, 1.5, 0.25)
> y <- rep(1, length(x))
> plot(x, y, main="Effect of cex on text size")
> text(x, y+0.1, labels=x, cex=x)
answered Apr 20, 2018 by zombie
• 3,690 points

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