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A reproducible workflow for binning and visualizing NMR spectra from environmental samples
Install the package using:
install.packages("nmrrr")
OR
remotes::install_github("kaizadp/nmrrr", build_vignettes = TRUE)
Vignettes can be accessed within R:
browseVignettes(package = "nmrrr")
The {nmrrr} package is intended for post-processing of
NMR data, including importing, merging and, cleaning data from multiple
files, visualizing NMR spectra, performing binning/integrations for
compound classes, and relative abundance calculations.
A strong feature of this package is the ability to batch-process
multiple samples, and to do so in a reproducible manner.
This package can be easily inserted into existing analysis workflows by users to help with analyzing and interpreting NMR data.
Before using this package, NMR spectra must be processed in MestreNova or TopSpin (phase corrected, baseline corrected, deconvoluted, peak picked, normalized).
nmr_import_spectra() |
Import all files from the specified path and generate a single long-form dataframe with all samples. |
nmr_assign_bins() |
Bin the spectra/assign compound classes based on the preferred bin set. see below for available options. |
nmr_plot_spectra() |
Plot spectra. If multiple spectra are present, they will be vertically offset. |
nmr_import_peaks |
Import and process peaks files generated after peak-picking in MNova. |
nmr_relabund() |
Compute relative abundance of compound classes based on bin assignments. |
| Binset name | Solution or solid-state | Target NMR nuclei | Solvent | Citation |
|---|---|---|---|---|
| bins_CadeMenun2015 | solution | 31P | D2O + NaOH + EDTA | Cade-Menun, 2015 |
| bins_Clemente2012 | solution | 1H | DMSO-D6 | Clemente et al., 2012 |
| bins_Hertkorn2013 | solution | 1H | MeOD | Hertkorn et al., 2013 |
| bins_Lynch2019 | solution | 1H | D2O | Lynch et al., 2019 |
| bins_Mitchell2018 | solution | 1H | DMSO-D6 | Mitchell et al., 2018 |
| bins_ss_Baldock2004 | solid | 13C | N/A | Baldock et al., 2004 |
| bins_ss_Clemente2012 | solid | 13C | N/A | Clemente et al., 2012 |
| bins_ss_Preston2009 | solid | 13C | N/A | Preston et al., 2009 |
Users can choose from the available options, or can import their own
preferred bin set. See vignette("nmrrr") for more
details.
We encourage users to provide feedback as GitHub Issues.
We also encourage users to submit additional NMR binsets via GitHub Issues or pull requests, so they
can be incorporated into future versions of the package.
Used this package? Use citation("nmrrr") for citation
information.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.