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I think cex doesn't work. Cex will change the whole scale of the legend. But I just want to enlarge the text size. any command will help?
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To change the legend size of the plot, the user needs to use the cex argument of the legend function and specify its value with the user requirement, the values of cex greater than 1 will increase the legend size in the plot and the value of cex less than 1 will decrease the size of the legend in the plot.
In order to change the legend size in R you can make use of the cex argument. Values bigger than 1 will lead to a bigger legend and smaller to smaller legends than the default.
cex. character expansion factor relative to current par("cex") . Used for text, and provides the default for pt. cex . pt.cex.
Yes!, set pt.cex = 1 and change cex as you want as in:
plot(c(1,1)) legend("topleft", "Legend", cex=1.3, pch=1, pt.cex = 1) You can set the cex for the points separately from the rest of the legend. This would still make the box small, though. A more specific example of what you're trying to do might help. However, see if this solves your problem:
plot(rnorm(10)) legend("top", legend="test", pch=21) #everything is normal sized (cex=1 default from par()) legend("topleft", legend="test", pch=21, cex=0.5) #everything is small legend("topright", legend="test", pch=21, pt.cex=1, cex=0.5) #the point is normal, but the rest is small Best of luck :)
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