thresh P-value %words %seq Nwords Nseq total_words total_seq 8.7278 1.0e-05 35.0% 33.3% 7 7 20 21 7.632 5.0e-05 45.0% 42.9% 9 9 20 21 7.0695 0.0001 60.0% 57.1% 12 12 20 21 5.5968 0.0005 70.0% 66.7% 14 14 20 21 4.8781 0.001 75.0% 71.4% 15 15 20 21