R (>= 3.0.0), BEDMatrix, LinkedMatrix, symDMatrix
methods, parallel, crochet (>= 2.1.0), bigmemory,
synchronicity, ff, bit
data.table (>= 1.9.6), lme4, SKAT, testthat, covr
data.table (>= 1.9.6), lme4, SKAT, testthat