This is an experimental package that is designed for facilitating interactive work with large genotype probability matrices, e.g. those used for qtl mapping with the qtl2 or DOQTL R packages. We start with a 3D matrix of dimension n.samples * n.haplotypes * n.markers, and provide functions to write these data (quickly) to disk, and to read in the data (quickly). The fast read/write is achieved using the fst package. Currently works only with DO/CC-style genoprobs with 8 founders, although this dependency is just a sanity check that dim(probs) == 8. *** This package is pretty useless as the speedup is minimal compared to loading RData, but it was a good exercise! ***
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