R: Multiwavelet postfilter

mpostfilter {wavethresh} | R Documentation

## Multiwavelet postfilter

### Description

A multiwavelet postfilter turns a multivariate sequence into a univariate sequence. As such, the postfilter is used on the inverse transform, it is the inverse of an earlier used prefilter.

Not intended for direct user use.

### Usage

    mpostfilter(C, prefilter.type, filter.type,
        nphi, npsi, ndecim, nlevels, verbose = FALSE)

### Arguments

`C` | The multivariate sequence you wish to turn back into a univariate one using the inverse of an earlier prefilter operation.
`prefilter.type` | Controls the type of prefilter (see Tim Downie's PhD thesis, or references therein. Types include `Minimal`, `Identity`, `Repeat`, `Interp`, `default`, `Xia`, `Roach1`, `Roach3`, `Donovan3` or `Linear`
`filter.type` | The type of multiwavelet: can be `Geronimo` or `Donovan3`
`nphi` | The number of father wavelets in the system
`npsi` | The number of mother wavelets in the system
`ndecim` | The ndecim parameter (not apparently used here)
`nlevels` | The number of levels in the multiwavelet transform
`verbose` | If TRUE then informative messages are printed as the function progresses

### Details

Description says all

### Value

The appropriate postfiltered data.

### Author(s)

Tim Downie

### See Also

`mprefilter`,`mwd`

[Package wavethresh version 4.6.8 Index]