thresh P-value %words %seq Nwords Nseq total_words total_seq 6.7537 0.0001 7.5% 8.2% 4 5 53 61 6.1517 0.0005 54.7% 45.9% 29 28 53 61 5.5352 0.001 69.8% 59.0% 37 36 53 61