Inverts the Data-Driven Haar-Fisz transform to obtain the raw (untransformed) data
ddhft.np.inv(hft.obj)
The inverted transform
An object with the same structure as that returned
by the ddhft.np.2
function.
Piotr Fryzlewicz <p.fryzlewicz@imperial.ac.uk>
Merely performs the inverse of the DDHF transform see
ddhft.np.2
Delouille, V., Fryzlewicz, P. and Nason, G.P. (2005), A data-driven Haar-Fisz transformation for multiscale variance stabilization. Technical Report 05:06, Statistics Group, Department of Mathematics, University of Bristol.
ddhft.np.2