thresh P-value %words %seq Nwords Nseq total_words total_seq 8.3328 1.0e-05 21.1% 18.2% 4 4 19 22 7.6362 5.0e-05 47.4% 40.9% 9 9 19 22 7.2354 0.0001 52.6% 45.5% 10 10 19 22 5.7024 0.0005 78.9% 68.2% 15 15 19 22 4.9101 0.001 100.0% 86.4% 19 19 19 22