General plot function for cbq objects, which dispatches the chosen
type of plotting to the corresponding function.
# S3 method for cbq
plot(x, type = "trace", ...)A cbq object to be plotted.
Character string giving the type of plotting. The options are
"trace" for trace plots, "coef" for coefficient plots. The default is the traceplot.
Additional arguments to be passed to subsequent plot functions.
None.