thresh P-value %words %seq Nwords Nseq total_words total_seq 9.7475 1.0e-05 22.5% 21.0% 432 419 1924 2000 8.262 5.0e-05 58.6% 55.1% 1128 1101 1924 2000 7.3027 0.0001 72.2% 68.1% 1389 1361 1924 2000 5.0546 0.0005 96.8% 91.4% 1862 1827 1924 2000 3.8311 0.001 99.7% 97.2% 1919 1943 1924 2000