thresh P-value %words %seq Nwords Nseq total_words total_seq 9.3796 1.0e-05 14.1% 14.9% 590 629 4198 4213 8.1636 5.0e-05 29.4% 32.7% 1236 1379 4198 4213 7.5706 0.0001 38.2% 43.4% 1603 1828 4198 4213 6.0036 0.0005 60.9% 73.0% 2556 3077 4198 4213 5.2331 0.001 71.7% 82.6% 3012 3481 4198 4213