@classmethod
    def unrank_binary(self, rank, superset):
        bits = bin(rank)[2:].rjust(len(superset), '0')
        return Subset.subset_from_bitlist(superset, bits)
Load a numpy 2-dimensional structured array with data from the sample
dataset/ETHPy150Open sympy/sympy/sympy/combinatorics/subsets.py/Subset.unrank_binary--crossover with--dataset/ETHPy150Open alimanfoo/vcfnp/vcfnp/array.py/calldata_2d