thresh P-value %words %seq Nwords Nseq total_words total_seq 6.9199 5.0e-05 25.0% 25.0% 2 2 8 8 6.7732 0.0001 37.5% 37.5% 3 3 8 8 5.4794 0.0005 62.5% 62.5% 5 5 8 8 4.8947 0.001 87.5% 87.5% 7 7 8 8