This function assumes that a high-level plot has already been set
up using plotpkt. Given that this function plots
a wavelet packet box at a given level, packet index and with
particular shading and color and optionally plotting a sequence of
coefficients at that location rather than a shaded box.
addpkt(level, index, density, col, yvals)Nothing
The level at which the box or yvals are plotted
The packet index at which the box of yvals are plotted
The density of the shading of the box
The color of the box
If this argument is missing then a shaded coloured box is
drawn, otherwise a time series of yvals is plotted where
the box would have been.
G P Nason
Description says all
basisplot,basisplot.BP,
basisplot.wp, plotpkt, plot.nvwp