mspeaks | Convert raw peak data to peak list (centroided data) |
mspalign | Align mass spectra from multiple peak lists from LC/MS or GC/MS data set |
msalign | Align peaks in signal to reference peaks |
samplealign | Align two data sets containing sequential observations by introducing gaps |
isotopicdist | Calculate high-resolution isotope mass distribution and density function |
msheatmap | Create pseudocolor image of set of mass spectra |
msdotplot | Plot set of peak lists from LC/MS or GC/MS data set |
msviewer | Explore mass spectrum or set of mass spectra |
traceplot | Draw nucleotide trace plots |
metafeatures | Attractor metagene algorithm for feature engineering using mutual information-based learning |
rankfeatures | Rank key features by class separability criteria |
randfeatures | Generate randomized subset of features |
classperf | Evaluate classifier performance |
crossvalind | Generate indices for training and test sets |
Mass Spectrometry Data Analysis
The mass spectrometry functions preprocess and classify raw data from SELDI-TOF and MALDI-TOF spectrometers and use statistical learning functions to identify patterns.