baseline_exprs          Estimate the offset terms.
combine_Y_refs          Row-binds 'Y' with 'references' and generates
                        'pure_samples'.
dtangle                 Deconvolve cell type mixing proportions from
                        gene expression data.
dtangle2                Deconvolve cell type mixing proportions from
                        gene expression data.
est_phats               Estimate the gene type proportions.
find_markers            Find marker genes for each cell type.
get_gamma               Determine gamma value by data type.
process_markers         Determines number of markers 'n_markers',
                        marker list 'mrkrs', and 'gamma'.
shen_orr_ex             Example Subset of Shen-Orr deconvolution data
                        set.
