iECAT is an R-package for a method to integrating external controls in rare variant tests. It has functions for gene-based tests, including SKAT, and SKAT-O, and single variant test.
- iECAT CRAN: Link
- Lee, S., Kim, S., & Fuchsberger, C. (2017). Improving power for rare‐variant tests by integrating external controls. Genetic epidemiology, 41(7), 610-619.