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wavelets (version 0.2-1)

A package of funtions for computing wavelet filters, wavelet transforms and multiresolution analyses

Description

This package contains functions for computing and plotting discrete wavelet transforms (DWT) and maximal overlap discrete wavelet transforms (MODWT), as well as their inverses. Additionally, it contains functionality for computing and plotting wavelet transform filters that are used in the above decompositions as well as multiresolution analyses.

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Version

Install

install.packages('wavelets')

Monthly Downloads

4,076

Version

0.2-1

License

GPL version 2 or newer

Maintainer

Eric Aldrich

Last Published

February 17th, 2020

Functions in wavelets (0.2-1)

modwt

Maximal Overlap Discrete Wavelet Transform Object
imodwt

Inverse Maximal Overlap Discrete Wavelet Transform
wt.filter.shift

Wavelet Transform Filter Phase Shift
dwt

Discrete Wavelet Transform Object
waveletshift.dwt

Find Circular Shift of DWT Wavelet Coefficients
figure108.wt.filter

Plot Multiple DWT Wavelet or Scaling Filters
stackplot

Stacked Plotting
subtidal

Subtidal Sea Level Measurements
figure98.wt.filter

Plot a DWT Wavelet or Scaling Filter for Specific Levels.
dwt.forward

Discrete Wavelet Transform and Maximal Overlap Discrete Wavelet Tranform Forward and Backward Pyramid Algorithm
align

Align Wavelet Transform Coefficients
idwt

Inverse Discrete Wavelet Transform
wt.filter.qmf

Quadrature Mirror Filter
extend.series

Extend a Time Series
plot.dwt.multiple

Plot Multiple DWT Objects
plot.dwt

Plot DWT Coefficients
wt.filter.equivalent

Equivalent Wavelet Transform Filter
nile

Yearly Nile River Minima
ecg

Electrocardiogram Data
wt.filter

Wavelet Transform Filter Object
mra

Multiresolution Analysis Object
scalingshift.dwt

Find Circular Shift of DWT Scaling Coefficients
squaredgain.wt.filter

Plot Squared Gain Function for Wavelet Filter
ocean

Vertical Ocean Sheer Measurements
plot.modwt

Plot MODWT Coefficients