Record added by Jurg Ott (the original Rockefeller list)
power Calculator for Association with Two Stage design
CATS calculates the power and other useful quantities for two-stage genome-wide association studies
Andrew Skol (email: email@example.com)
UNIX, Linux, MS-Windows, MacOS
cats (graphical interface for MS-Windows, MacOS, and Linux), cats-test (Linux command line)
Skol, Scott, Abecasis, Boehnke (2006), “Joint analysis is more efficient than replication-based analysis for two-stage genome-wide association studies”, Nature Genetics, 38:209-213.