- object
An scplot object (class scplot) returned from the scplot()
function.
- variable
String. The name of a new variable for adding a new line. If
left empty, the aesthetics of the default data line are changed.
- line
List with line parameters ("colour", "linewidth", "linetype", "lineend", "arrow"). See element_line().
- point
A list with point parameters ("colour", "size", "shape"). See
element_point().
- type
Either "continuous" or "discrete"
- label
A character string which is used to set the label in a legend.
- ...
As a shortcut, arguments passed hear are bundled as line
arguments (see element_line()).