DBS_SIGNATURE_PROFILES
                        DBS signature profiles
INDEL_SIGNATURE_PROFILES
                        Indel signature profiles
SBS_SIGNATURE_PROFILES_V2
                        SBS signature profiles (original 30)
SBS_SIGNATURE_PROFILES_V3
                        SBS signature profiles (new; v3, May 2019)
SV_SIGNATURE_PROFILES   SV signature profiles
assignSigPerMut         Assign a mutational signature to each mutation
                        in a vcf or bed-like dataframe
cosSim                  Cosine similarity
detSmnvType             Determine SMNV type from REF and ALT
extractSigsDbs          Extract doublet substitution signatures
extractSigsIndel        Extract indel signatures
extractSigsSnv          Extract single nucleotide variant signatures
extractSigsSv           Extract structural variant signatures
fitToSignatures         Linear least-squares (non-negative) fitting
getContextsSv           Determine SV type and length
getInfoValues           Get values from INFO field
indelSeqFlanksStartEnd
                        Get the start/end positions for the left/right
                        flanks of an indel
lsqnonneg               Non-negative least squares fitting
nBasesMH                Calculate the number of bases that are
                        homologous to the 3' flanking sequence
nCopiesAlongFlank       Calculate the number of copies of the indel
                        sequence are present in the flank sequence
plotContexts            Plot contexts
readSigsAsDf            Read multiple files outputed my mutSigExtractor
                        into a data frame
readVcfFields           Read vcf into R as data frame
splitDfRegex            Split data frame or matrix using regex on
                        colnames
subsetSmnvs             Subset for SNVs, DBSs, or indels
transformContexts       Various transformation of contexts (e.g. into
                        mutational signatures)
variantsFromVcf         Extract relevant variant info for extracting
                        SNV, indel, and SV signatures.
