On Feb 1, 2010, at 7:11 PM, Jack Siegrist wrote:
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)
barplot(data, xpd=F, yaxp=c(0,max(data), 4) )
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