lines {base}R Documentation

Add Connected Line Segments to a Plot

Description

A generic function taking coordinates given in various ways and joining the corresponding points with line segments.

Usage

lines(x, ...)
lines.default(x, y=NULL, type="l", col=par("col"), ...)

Arguments

x, y coordinate vectors of points to join.
type character indicating the type of plotting; actually any of the types as in plot(..).
col color to use.
... Further graphical parameters (see par) may also be supplied as arguments, particularly, line type, lty and line width, lwd.

Details

The coordinates can be passed to lines in a plotting structure (a list with x and y components), a time series, etc.

See Also

points, plot, and the underlying ``primitive'' plot.xy.

Examples

data(cars)
# draw a smooth line through a scatter plot
plot(cars, main="Stopping Distance versus Speed")
lines(lowess(cars))

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