thresh P-value %words %seq Nwords Nseq total_words total_seq 7.6374 0.0001 11.9% 11.3% 15 16 126 141 6.0891 0.0005 65.1% 58.9% 82 83 126 141 5.4032 0.001 84.1% 75.2% 106 106 126 141