thresh P-value %words %seq Nwords Nseq total_words total_seq 7.7685 5.0e-05 47.4% 45.9% 18 17 38 37 7.3251 0.0001 47.4% 45.9% 18 17 38 37 6.0076 0.0005 60.5% 59.5% 23 22 38 37 5.1779 0.001 81.6% 81.1% 31 30 38 37