thresh P-value %words %seq Nwords Nseq total_words total_seq 7.3658 0.0001 10.3% 10.3% 6 8 58 78 5.9894 0.0005 41.4% 30.8% 24 24 58 78 5.2836 0.001 53.4% 39.7% 31 31 58 78