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How to change the font size of legend in base R plot?
In base R, we can use legend function to add a legend to the plot. For example, if we want to create a histogram with legend on top-right position then we can use legend("topright",legend="Normal Distribution") and if we want to change the font size then we need to as cex argument as shown below:
legend("topright",legend="Normal Distribution",cex=2)
Example
Consider the below histogram −
x<−rnorm(5000) hist(x)
Output
Adding legend of different sizes −
legend("topright",legend="Normal Distribution",cex=1)
Output
legend("topleft",legend="Histogram of",cex=1.5)Output
Updated on: 07-Nov-2020
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