# Retrospective Noise Control for fMRI

## Documentation for package ‘FIACH’ version 0.1.2

- DESCRIPTION file.

## Help Pages

arrMat | Array to matrix transformation.
badData | Identifies spurious observations
basisFunctions | Informed basis set
boldContrast | Maximum Theoretical BOLD signal observable
colMad | Compute Column Median Absolute Deviations
colMedian | Compute Column Medians
colsd | Compute column standard deviations
convolve1d | Finite Impulse Response filter
datatypes | Supported Datatypes
dilate | Separable Flat dilation
erode | Separable Flat Erosion
fd | Framewise Displacement
fftN | Zero Padded 1D Fourier transform
fiach | FIACH
gaussKernel | 1 dimensional Gaussian smoothing kernel
getDatatype | Determine Datatype
gmm | Gaussian Mixture Model
GUI | Graphical User Interface for using the fiach function.
hampel | Hampel Filter
highBasis | High pass filter basis set
highPass | SPM high pass filter
kaiserWin | Kaiser Window
kmeansMask | Binarize vector, matrix or array
lowBasis | Low pass filter basis set
matArr | Matrix to Array Transformation.
naSpline | Interpolate NAs
plot.gmm | Plot a Gaussian Mixture Model
pseudo | Pseudoinverse.
quantMask | Compute the Mask Vector
rawPeriodogram | Raw Periodogram
readNii | Input function for fmri data
rowMad | Compute row Median Absolute Deviations
rowMedian | Compute Row Medians
rowsd | Compute row standard deviations
rp | Realignment parameters
selectR | Interactive File Selector
sepConvolve3d | Fast 3d Convolution
sinc | Sinc Pulse
spmHrf | Canonical Haemodynamic Response Function.
spmOrth | Serial Orthogonalisation
t2Grey | Transverse Relaxation
t2sGrey | Effective Transverse Relaxation
viewR | Interactive Medical Image Viewer
zeroNa | Zero non finite values