thresh P-value %words %seq Nwords Nseq total_words total_seq 9.249 1.0e-05 55.2% 43.2% 16 16 29 37 7.8078 5.0e-05 75.9% 59.5% 22 22 29 37 7.118 0.0001 79.3% 62.2% 23 23 29 37 5.3294 0.0005 96.6% 75.7% 28 28 29 37 4.4661 0.001 100.0% 78.4% 29 29 29 37