[R] Labels perpendicular to axis

[Uwe Ligges]

s-luppescu at uchicago.edu wrote:
> 
> I would like to make my horizontal barplot vertical axis labels perpendicular to
> the axis. I tried las=1, srt=90; I even tried yaxt='n' thinking I'd put the
> labels in using mtext, but the axis continued to be drawn. Can anyone help me
> with this? My barplot() statement looks like this:
> 
> barplot(height=foo$rebint[o1], names=foo$Unit[o1], horiz=TRUE,
> col=mycolors[foo$type[o1]], yaxt='n')


You can change the last few lines of barplot.default():
  if (axes) 
    axis(if (horiz) 1 else 2, ...)
                            ^^^^^


Or to avoid plotting the axis:

1. You can say barplot(..., axes = FALSE)

2. You can use a workaround:
  par(xaxt="n")
  barplot()


Uwe Ligges
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