thresh P-value %words %seq Nwords Nseq total_words total_seq 9.9703 1.0e-05 12.9% 10.7% 239 216 1851 2014 8.5069 5.0e-05 63.6% 52.2% 1177 1052 1851 2014 7.649 0.0001 88.3% 72.8% 1634 1467 1851 2014 3.38 0.0005 100.0% 94.8% 1851 1910 1851 2014 2.229 0.001 100.0% 98.4% 1851 1981 1851 2014