On 2024-11-28 12:36 p.m., Fer wrote:
That's pretty similar to call axis function, i.e.


   plot(rnorm(100), yaxt="n", bty="n")
   usr <- par("usr")
   ## lines(usr[c(1,2)], usr[c(3,3)], xpd = TRUE)

   axis(1, ...) # where 1 is bottom, 2 left, 3 top, and 4 right sides of
the plot box)

You don't need the axis() call.  plot() already includes the x axis.

Duncan Murdoch


Best

Fer

On 11/28/24 14:52, Duncan Murdoch wrote:
On 2024-11-28 8:36 a.m., Michael Dewey wrote:
To make the plot clearer I have removed the axes but I wish to remove
all the boz except the bottom horizontal line. Using the bty parameter
does not seem to enable me to just leave the horizontal line at the
foot. I can get the "l" version to remove everything except the left
hand side and the base. I could also remove the entire box but that
looks odd. Am I reading the documentation incorrectly or is it really
impossible?


It's not something that `bty` can specify or `box()` can do, but you
can draw a line using lines() or segments().  For example:

  plot(rnorm(100), yaxt="n", bty="n")
  usr <- par("usr")
  lines(usr[c(1,2)], usr[c(3,3)], xpd = TRUE)

You might not even need the lines() call if you don't care how far the
axis extends.

Duncan Murdoch

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