thresh P-value %words %seq Nwords Nseq total_words total_seq 8.8857 1.0e-05 20.0% 18.5% 5 5 25 27 7.7677 5.0e-05 64.0% 59.3% 16 16 25 27 7.188 0.0001 72.0% 66.7% 18 18 25 27 5.6341 0.0005 92.0% 85.2% 23 23 25 27 4.8767 0.001 92.0% 85.2% 23 23 25 27