Find Biomarkers in Two-Class Discrimination Problems
Auxiliary functions in the biomarker package
Set or return options for stability-based biomarker selection
Simulate data sets
Get biomarkers discriminating between two classes
Subsampling segments
Biomarker thresholding by Higher Criticism
ROC curves
Different forms of scaling
Accessor function to the selected variables of a BioMark object
Spike-in metabolomics data for apple extracts
Plot the coefficient or stability trace for the lasso/elastic net biom...
Variable selection methods are provided for several classification methods: the lasso/elastic net, PCLDA, PLSDA, and several t-tests. Two approaches for selecting cutoffs can be used, one based on the stability of model coefficients under perturbation, and the other on higher criticism.