mrbin News

Version 1.4.2

Summed bins are now calculated with the exact defined borders. Surrounding bins are truncated
Noise levels are now calculated separately for each bin in each spectrum, correcting for differences in data points per bin
PCA plot labels now show percentage of variance instead of percentage of standard deviation
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability, especially when analyzing single samples and/or single bins

Vignette was expanded
Bin borders are now rounded to avoid floating point inconsistencies
PQN normalization now also ignores glucose signals in 1D spectra. This behavior can be turned off now as well.
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability, especially when analyzing single samples and/or single bins

Solvent region change: Only bins that are completely within the solvent region are removed
Excluded regions: No NMR data from excluded regions or solvent regions is now used to calculate bins, even if the bin overlaps with the excluded region
New trimming function to remove bins that have mostly values of zero; These are created at the edges of the spectrum and at edges of removed regions
A vignette was added
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability

Noise is now estimated from raw data points (not bin values) and mean number of data points per bin
New noise calculations tend to be lower than the previous estimates. SNR levels may need to be increased by a factor of 2.5. Default SNR levels have been raised to reflect this.
Solvent region change: Any bins that contain any part of these regions are removed (previously only if mean of bin was within region)
Added new way of creating sample names from EXPNO and folder name
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability
Speed improvements

Default 1D noise range was changed to 10 - 9.5 ppm (was 10-9.4). Default 1D binning area changed to 10-0.5 (was 9.5-0.5)
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability

All parameters can now be conveniently set from the command line by passing a list of parameters to mrbin()
Special bin regions can now be defined instead of rectangular bins, e.g. for lipid analysis
mrbin() now returns the group factors as an additional element “factors” in the returned list
New function setCurrentSpectrum() to set current spectrum, e.g. for plotting
Reloading a parameter set from a file now checks whether all required parameters have been set and adds missing ones
Results plots are nicer now. A new plot shows which regions were left after all processing steps.
Some minor and major fixes to increase user friendliness
Some minor and major bug fixes to increase stability