thresh P-value %words %seq Nwords Nseq total_words total_seq 9.2593 1.0e-05 59.5% 57.9% 22 22 37 38 7.823 5.0e-05 70.3% 68.4% 26 26 37 38 7.1348 0.0001 78.4% 76.3% 29 29 37 38 5.3363 0.0005 86.5% 84.2% 32 32 37 38 4.4712 0.001 89.2% 86.8% 33 33 37 38