Create the matrix a DBS catalog for *one* sample from an in-memory VCF.
CreateOneColDBSMatrix(vcf, sample.id = "count")
An in-memory VCF file annotated with sequence context and
transcript information by function AnnotateDBSVCF
. It must
*not* contain indels and must *not* contain SBS (single base
substitutions), or triplet base substitutions etc.
Usually the sample id, but defaults to "count".
A list of three 1-column matrices with the names catDBS78
,
catDBS144
, and catDBS136
. If trans.ranges is NULL,
catDBS144
is not generated. Do not rely on the order of elements in
the list.