This is the internal function that does the basic plotting of points and lines. Usually, one should rather use the higher level functions instead and refer to their help pages for explanation of the arguments.
plot.xy(xy, type, pch = par("pch"), lty = par("lty"), col = par("col"), bg = NA, cex = 1, lwd = par("lwd"), …)
A four-element list as results from
1 character code: see
NULL is accepted as a synonym for
character or integer code for kind of points, see
line type code, see
background (fill) color for the open plot symbols 21:25:
further graphical parameters such as
lwd may be vectors and may be recycled, depending on
specifics. In particular note that
lwd is treated as a vector
for points and as a single (first) value for lines.
cex is a numeric factor in addition to
affects symbols and characters as drawn by