thresh P-value %words %seq Nwords Nseq total_words total_seq 8.6423 5.0e-05 8.1% 6.7% 23 23 283 341 8.1968 0.0001 16.6% 12.6% 47 43 283 341 6.686 0.0005 71.0% 54.0% 201 184 283 341 5.7111 0.001 97.5% 72.7% 276 248 283 341