thresh P-value %words %seq Nwords Nseq total_words total_seq 9.8706 1.0e-05 25.7% 18.8% 142 142 553 756 9.0915 5.0e-05 71.8% 52.5% 397 397 553 756 6.7169 0.0001 99.5% 72.8% 550 550 553 756 4.1267 0.0005 100.0% 74.9% 553 566 553 756 3.4442 0.001 100.0% 76.6% 553 579 553 756