thresh P-value %words %seq Nwords Nseq total_words total_seq 7.4216 5.0e-05 66.7% 60.0% 4 3 6 5 6.8539 0.0001 83.3% 80.0% 5 4 6 5 5.358 0.0005 83.3% 80.0% 5 4 6 5 4.9681 0.001 83.3% 80.0% 5 4 6 5