thresh P-value %words %seq Nwords Nseq total_words total_seq 8.5118 1.0e-05 36.2% 30.9% 21 21 58 68 7.3098 5.0e-05 60.3% 51.5% 35 35 58 68 6.6758 0.0001 70.7% 60.3% 41 41 58 68 4.9562 0.0005 84.5% 72.1% 49 49 58 68 4.1202 0.001 94.8% 80.9% 55 55 58 68