addLegend {xts}

Add Legend

Description

Add a legend to an existing panel.

Usage

addLegend(
  legend.loc = "topright",
  legend.names = NULL,
  col = NULL,
  ncol = 1,
  on = 0,
  ...
)

Arguments

legend.loc

One of nine locations: bottomright, bottom, bottomleft, left, topleft, top, topright, right, or center.

legend.names

Character vector of names for the legend. When NULL, the column names of the current plot object are used.

col

Fill colors for the legend. When NULL, the colorset of the current plot object data is used.

ncol

Number of columns for the legend.

on

Panel number to draw on. A new panel will be drawn if on = NA. The default, on = 0, will add to the active panel. The active panel is defined as the panel on which the most recent action was performed. Note that only the first element of on is checked for the default behavior to add to the last active panel.

...

Any other passthrough parameters to legend().

Author(s)

Ross Bennett