thresh P-value %words %seq Nwords Nseq total_words total_seq 8.9053 1.0e-05 11.5% 12.5% 240 261 2083 2081 7.7024 5.0e-05 19.2% 21.2% 400 442 2083 2081 7.1168 0.0001 23.5% 26.7% 489 556 2083 2081 5.5886 0.0005 36.8% 45.0% 767 936 2083 2081 4.8482 0.001 45.8% 57.3% 954 1193 2083 2081