Alignment statistics

References

[AW90] Richard Arratia and M.S. Waterman (1994) A phase transition for the score in matching random sequences allowing deletions. Ann. Appl. Prob., 4, 200-225.

[KA90] Karlin, Samuel and Altschul, Stephen F. (1990) Methods for assessing the statistical significance of molecular sequence features by using general scoring schemes. Proc. Natl. Acad. Sci., 87, 2264-2268.