thresh P-value %words %seq Nwords Nseq total_words total_seq 8.6336 1.0e-05 90.0% 42.0% 449 476 499 1132 6.0529 5.0e-05 100.0% 61.2% 499 693 499 1132 4.8894 0.0001 100.0% 67.1% 499 760 499 1132 1.9386 0.0005 100.0% 75.7% 499 857 499 1132 0.3631 0.001 100.0% 79.0% 499 894 499 1132