A generic function taking coordinates given in various ways and joining the corresponding points with line segments.
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coordinate vectors of points to join.
character indicating the type of plotting; actually any of
Further graphical parameters (see
The coordinates can be passed in a plotting structure
(a list with
y components), a two-column matrix, a
time series, .... See
xy.coords. If supplied
separately, they must be of the same length.
The coordinates can contain
NA values. If a point contains
NA in either its
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.
type = "h",
col can be a vector and will be recycled
lwd can be a vector: its first element will apply to lines but
the whole vector to symbols (recycled as necessary).
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
lines.formula for the formula method;
points, particularly for
type %in% c("p","b","o"),
and the workhorse function
abline for drawing (single) straight lines.
par for line type (
lty) specification and how to
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