Creates a clustering tree on the current graphics device.
This function is an S Version 3 generic (see Methods);
method functions can be written to handle specific
S Version 3 classes of data. Classes which already
have methods for this function include:
hierarchical
.
USAGE:
pltree(x, ...)
REQUIRED ARGUMENTS:
x
a S-PLUS object.
OPTIONAL ARGUMENTS:
...
methods may have additional arguments.
Graphical parameters may also be supplied as arguments to
this function (see
).
SIDE EFFECTS:
a clustering tree is created on the current graphics device.