def TestStatistic(self, data):
        xs, ys = data
        test_stat = abs(thinkstats2.Corr(xs, ys))
        return test_stat
Returns one document dict if one passes the filter.
dataset/ETHPy150Open AllenDowney/CompStats/hypothesis.py/CorrelationPermute.TestStatistic--crossover with--dataset/ETHPy150Open lvieirajr/mongorest/mongorest/collection.py/Collection.find_one