The packet coefficients of a nondecimated wavelet packet object are stored internally in an efficient form. This function takes the nondecimated wavelet packets and stores them as a matrix (multivariate data set). Each column in the returned matrix corresponds to an individual packet, each row corresponds to a time index in the original packet or time series.
wpst2discr(wpstobj, groups)An object of class w2d which is a list containing the following items:
The matrix containing columns of packet information.
Passes through the group argument from input.
Each column corresponds to a packet, this vector contains the information on which resolution level each packet comes from
Like for level but for packet indices
The number of resolution levels in total, from the wpst object
A wpst class object, output from wpst say
A time series containing the group membership at each time point
G P Nason
Description says it all
makewpstDO, wpst