horizontal coordinates for the placement of points.
y
vertical coordinates for placement of points and for the horizontal lines.
...
graphical parameters can be specified.
By default, the parameters for the lines (
lwd,
lty , and
col ) are
determined by the trellis parameter list
dot.line.
Parameters for the points (
pch,
col ,
cex , and
font )
come from parameter list
dot.symbol.
SIDE EFFECTS:
The
panel.dotplot function draws horizontal lines on the display with
dots at selected positions.