extract_signatures {MutationalPatterns} | R Documentation |
Decomposes trinucleotide count matrix into signatures and contribution of those signatures to the spectra of the samples/vcf files.
extract_signatures(mut_matrix, rank, nrun = 200)
mut_matrix |
96 mutation count matrix |
rank |
Number of signatures to extract |
nrun |
Number of iterations, default = 200 |
Named list of mutation matrix, signatures and signature contribution
## See the 'mut_matrix()' example for how we obtained the mutation matrix: mut_mat <- readRDS(system.file("states/mut_mat_data.rds", package="MutationalPatterns")) ## This function is computational intensive. # nmf_res <- extract_signatures(mut_mat, rank = 2)