Nothing
"ebayesthresh.wavelet.wd" <-
function (x.wd, vscale = "independent", smooth.levels = Inf,
prior = "laplace", a = 0.5, bayesfac = FALSE, threshrule = "median")
{
nlevs <- x.wd$nlevels
slevs <- min(nlevs - 1, smooth.levels)
vv<-matrix(0,1,slevs)
if (is.character(vscale)) {
vs <- substring(vscale, 1, 1)
#for independent vscale, there is often very sparse fine level coefficients
#which estimates the noise variance as zero. This attempts to remedy it.
if (vs == "i"){
for (i in (nlevs-slevs):(nlevs-1)){
vscale <- mad(accessD(x.wd, level = i))
if (vscale == 0) {
vscale <- mad(accessD(x.wd, level = i), center = 0)
}
vv[nlevs-i]<-vscale
}
vscale<-vv[min(which(vv>0))]
}
if (vs == "l")
vscale <- NA
}
#print(vv)
for (j in (nlevs - slevs):(nlevs - 1)) {
x.wd <- putD(x.wd, level = j, v = ebayesthresh(accessD(x.wd,
level = j), prior, a, bayesfac, vscale, FALSE, threshrule))
}
return(x.wd)
}
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