lines {base} | R Documentation |
A generic function taking coordinates given in various ways and joining the corresponding points with line segments.
lines(x, ...) lines.default(x, y=NULL, type="l", col=par("col"), lty=par("lty"), ...)
x, y |
coordinate vectors of points to join. |
type |
character indicating the type of plotting; actually any of
the type s as in plot . |
col |
color to use. |
lty |
line type to use. |
... |
Further graphical parameters (see par ) may
also be supplied as arguments, particularly, line type, lty and
line width, lwd . |
The coordinates can be passed to lines
in a plotting structure
(a list with x
and y
components), a time series,
etc. See xy.coords
.
The coordinates can contain NA
values. If a point contains
NA
it either its x
or y
value, it is omitted from
the plot, and lines are not drawn to or from such points. Thus
missing values can be used to achieve breaks in lines.
points
,
plot
,
and the underlying ``primitive'' plot.xy
.
par
for how to specify colors.
data(cars) # draw a smooth line through a scatter plot plot(cars, main="Stopping Distance versus Speed") lines(lowess(cars))