thresh P-value %words %seq Nwords Nseq total_words total_seq 7.0688 0.0001 12.5% 13.2% 5 5 40 38 5.8363 0.0005 52.5% 52.6% 21 20 40 38 5.2039 0.001 67.5% 68.4% 27 26 40 38