thresh P-value %words %seq Nwords Nseq total_words total_seq 10.8151 1.0e-05 15.9% 11.3% 18 18 113 159 9.6056 5.0e-05 51.3% 36.5% 58 58 113 159 8.8731 0.0001 67.3% 47.8% 76 76 113 159 6.4986 0.0005 100.0% 82.4% 113 131 113 159 5.447 0.001 100.0% 88.7% 113 141 113 159