Description
earth mover's distance between dual-tree wavelet spectra
Usage
semd(dt1, dt2, a = 1, dir = TRUE)
Arguments
dt1, dt2
forecast and observed spectrum
a
ratio between scale- and directional component
dir
whether or not to include direction information
Value
a single value, the emd. If dir=FALSE, the value is signed, indicating the direction of the scale error.