| box {graphics} | R Documentation | 
This function draws a box around the current plot in the given color
and linetype.  The bty parameter determines
the type of box drawn.  See par for details.
box(which="plot", lty="solid", ...)
which | 
character, one of "plot", "figure",
"inner" and "outer". | 
lty | 
line type of the box. | 
... | 
further graphical parameters, such as
bty, col, or lwd, see par. | 
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
rect for drawing of arbitrary rectangles.
plot(1:7,abs(rnorm(7)), type='h', axes = FALSE) axis(1, labels = letters[1:7]) box(lty='1373', col = 'red')