thresh P-value %words %seq Nwords Nseq total_words total_seq 5.3388 0.0001 4.1% 3.8% 4 4 97 104 4.7392 0.0005 23.7% 21.2% 23 22 97 104 4.4129 0.001 33.0% 28.8% 32 30 97 104