thresh P-value %words %seq Nwords Nseq total_words total_seq 9.0268 1.0e-05 50.0% 50.0% 4 4 8 8 8.005 5.0e-05 62.5% 62.5% 5 5 8 8 7.5059 0.0001 62.5% 62.5% 5 5 8 8 6.1913 0.0005 87.5% 87.5% 7 7 8 8 5.5475 0.001 87.5% 87.5% 7 7 8 8