Plot Loadings
DESCRIPTION:
For each of several derived variables, a bar plot is produced showing the most significant data variables.
USAGE: 
plot.loadings(object, variables=1:min(5, p), nbars=6, ...)
REQUIRED ARGUMENTS:
object:
object having a class for which loadplot has a method.
OPTIONAL ARGUMENTS:
variables:
integer vector giving which derived variables to plot.
nbars:
integer stating how many data variables to put on each plot.
...:
additional graphics parameters may be supplied.
SIDE EFFECTS:
Creates a plot on the current graphics device.
DETAILS:
This is the "loadings" method for the generic function plot.
SEE ALSO:
plot , loadings , screeplot , princomp , factanal .
EXAMPLES: 
longley.pc <- princomp(longley.x, cor=T)
plot(loadings(longley.pc))