thresh P-value %words %seq Nwords Nseq total_words total_seq 7.9062 0.0001 11.9% 11.3% 15 16 126 141 6.0554 0.0005 64.3% 58.2% 81 82 126 141 5.6504 0.001 84.1% 75.2% 106 106 126 141