thresh P-value %words %seq Nwords Nseq total_words total_seq 9.3537 1.0e-05 16.7% 16.3% 509 513 3057 3149 7.9097 5.0e-05 38.4% 38.4% 1173 1209 3057 3149 7.2032 0.0001 53.3% 53.2% 1630 1676 3057 3149 5.3302 0.0005 83.5% 83.6% 2554 2631 3057 3149 4.4013 0.001 92.2% 91.3% 2820 2874 3057 3149