thresh P-value %words %seq Nwords Nseq total_words total_seq 9.7931 1.0e-05 26.2% 28.3% 490 529 1867 1868 8.2705 5.0e-05 51.6% 54.4% 963 1016 1867 1868 7.5385 0.0001 61.0% 64.2% 1138 1199 1867 1868 5.6278 0.0005 78.4% 80.0% 1463 1495 1867 1868 4.6914 0.001 84.6% 86.0% 1579 1606 1867 1868