thresh P-value %words %seq Nwords Nseq total_words total_seq 9.3194 1.0e-05 57.1% 57.1% 4 4 7 7 8.1275 5.0e-05 57.1% 71.4% 4 5 7 7 7.5483 0.0001 71.4% 85.7% 5 6 7 7 6.0335 0.0005 85.7% 100.0% 6 7 7 7 5.3102 0.001 85.7% 100.0% 6 7 7 7