thresh P-value %words %seq Nwords Nseq total_words total_seq 10.502 1.0e-05 12.9% 10.7% 239 216 1851 2014 8.9918 5.0e-05 64.9% 55.5% 1202 1117 1851 2014 7.9509 0.0001 89.1% 73.2% 1649 1475 1851 2014 3.8306 0.0005 100.0% 95.9% 1851 1932 1851 2014 2.6784 0.001 100.0% 98.1% 1851 1976 1851 2014