# Wavelet Analysis

## Documentation for package ‘rwavelet’ version 0.4.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

aconv | Convolution Tool for Two-Scale Transform.
BlockThresh | 1d Wavelet Block thresholding
block_partition | Construct 1d block partition
block_partition2d | Construct 2d block partition
CircularShift | Circular Shifting of a matrix/image,
cubelength | Find length and dyadic length of square array.
CVlinear | 2-Fold Cross Validation for linear estimator
DownDyadHi | Hi-Pass Downsampling operator (periodized)
DownDyadLo | Lo-Pass Downsampling operator (periodized)
dyad | Index entire j-th dyad of 1-d wavelet xform
dyadlength | Find length and dyadic length of array
FTWT2_PO | 2-d tensor wavelet transform (periodized, orthogonal).
FWT2_PO | 2-d MRA wavelet transform (periodized, orthogonal).
FWT2_TI | 2-D Translation Invariant Forward Wavelet Transform.
FWT3_PO | 3-d MRA wavelet transform (periodized, orthogonal).
FWT_PO | Forward Wavelet Transform (periodized, orthogonal).
FWT_TI | Translation Invariant Forward Wavelet Transform.
GWN | Generation of Gaussian White Noise.
HardThresh | Apply Hard Threshold.
iconvv | Convolution Tool for Two-Scale Transform.
invblock_partition | Inversion of the 1d block partition
invblock_partition2d | Inversion of the 2d block partition
ITWT2_PO | Inverse 2-d tensor wavelet transform (periodized, orthogonal).
IWT2_PO | Inverse 2-d MRA wavelet transform (periodized, orthogonal).
IWT2_TI | Invert 2-d Translation Invariant Wavelet Transform.
IWT3_PO | Inverse 3-d MRA wavelet transform (periodized, orthogonal).
IWT_PO | Inverse Wavelet Transform (periodized, orthogonal).
IWT_TI | Invert translation invariant wavelet transform.
lshift | Circular left shift of 1-d signal
MAD | Median Absolute Deviation
MakeONFilter | Generate Orthonormal QMF Filter for Wavelet Transform.
MakeSignal | Make artificial signal.
MakeSignalNewb | Make artificial 1-d signal.
MirrorFilt | Apply (-1)^t modulation
packet | Packet table indexing.
PlotSpikes | Plot 1-d signal as baseline with series of spikes.
PlotWaveCoeff | Spike-plot display of wavelet coefficients.
quadlength | Find length and dyadic length of square matrix.
RaphNMR | Nuclear magnetic resonance (NMR) signal.
repmat | Replicate and tile an array.
rshift | Circular right shift of 1-d signal
ShapeAsRow | Make signal a row vector
SLphantom | 3d Shepp-Logan phantom
SNR | Signal/Noise ratio
SoftThresh | Apply Soft Threshold.
UpDyadHi | Hi-Pass Upsampling operator; periodized
UpDyadLo | Lo-Pass Upsampling operator; periodized
UpSampleN | Upsampling operator