thresh P-value %words %seq Nwords Nseq total_words total_seq 8.0564 5.0e-05 23.0% 23.4% 14 15 61 64 7.4956 0.0001 29.5% 29.7% 18 19 61 64 6.2894 0.0005 47.5% 45.3% 29 29 61 64 5.4966 0.001 68.9% 65.6% 42 42 61 64