[R] barplot y axis too short

[Jack Siegrist]

Hello,

The function barplot automatically creates a y-axis that doesn't necessarily
cover the range of y-values to be plotted. I know how to manually create my
own y-axis so that it does cover the range, but I was wondering if there is
some parameter to change so that the scale of the y-axis is automatically
taller than the tallest bar.

I thought setting xpd=F would do it, since it says that xpd determines
whether bars will be plotted outside of the plotting region, but it had no
effect, so I guess it must be dealing with something different.

In the example below, the scale goes to 15 but the second bar goes to 16. In
this case I would like the scale to go to 20.

Thanks

#example data
data <- c(12, 16)

#none of the following are any different
barplot(data)
barplot(data, xpd=T)
barplot(data, xpd=F)
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