thresh P-value %words %seq Nwords Nseq total_words total_seq 9.9421 1.0e-05 79.2% 31.1% 248 253 313 813 7.8865 5.0e-05 90.1% 39.5% 282 321 313 813 6.7974 0.0001 91.1% 41.7% 285 339 313 813 4.1363 0.0005 93.6% 45.9% 293 373 313 813 2.8059 0.001 96.8% 48.5% 303 394 313 813