thresh P-value %words %seq Nwords Nseq total_words total_seq 6.2544 5.0e-05 3.3% 3.3% 1 1 30 30 5.9451 0.0001 13.3% 13.3% 4 4 30 30 5.0255 0.0005 26.7% 26.7% 8 8 30 30 4.5089 0.001 36.7% 36.7% 11 11 30 30