Record added by Jurg Ott (the original Rockefeller list)
1.0b (Aug 2001)
calculates the sample size required for obtaining a prescribed power against a specified alternative for TDT.
Michael Knapp (Univ Bonn)
http://www.uni-bonn.de/~umt70e/soft.htm
SAS macro
M Knapp (1999), “A note on power approximations for the transmission/disequilibrium test”, American Journal of Human Genetics, 64(4):1177-1185