# Pre-process 1H-NMR FID signals

## Documentation for package ‘PepsNMR’ version 1.4.0

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

## Help Pages

PepsNMR-package | Metabolomic data preprocessing strategy for 1H-NMR spectroscopic data
Apodization | Apodization of the FID
BaselineCorrection | Set the baseline to a uniform zero signal.
Bucketing | Spectral data reduction
Draw | Draw signals or their PCA scores/loadings.
DrawPCA | Draw the PCA scores or loadings of the signals
DrawSignal | Draw Signals
FirstOrderPhaseCorrection | Perform a first order phase correction.
FourierTransform | Applies the fourier transforationm to the FIDs.
GroupDelayCorrection | Perform a first order phase correction.
InternalReferencing | Chemical shift referencing.
NegativeValuesZeroing | Zeroing of negative values.
Normalization | Normalizes the spectra
PepsNMR | Metabolomic data preprocessing strategy for 1H-NMR spectroscopic data
PreprocessingChain | Proprocessing workflow for 1H-NMR data
ReadFids | Read FIDs in Bruker format from a directory
RegionRemoval | Removal of non-informative regions
SolventSuppression | Suppress the Solvent signal present in each FID.
Warping | Warping of the spectra
WindowSelection | Spectral window selection
ZeroFilling | Zero Filling
ZeroOrderPhaseCorrection | Zero Order Phase Correction
ZoneAggregation | Aggregates the values in a given ppm interval.