numpy.fft.fftfreq(n, d=1.0)

numpy.sort(a, axis=-1, kind='quicksort', order=None)

numpy.testing.assert_array_almost_equal_nulp(x, y, nulp=1)

numpy.ma.argsort(a, axis=None, kind='quicksort', order=None, fill_value=None)

numpy.testing.decorators.slow(t)

numpy.correlate(a, v, mode='valid')

numpy.random.geometric(p, size=None) Draw samples from the geometric distribution. Bernoulli trials are experiments

numpy.polynomial.legendre.legfit(x, y, deg, rcond=None, full=False, w=None)

numpy.is_busday(dates, weekmask='1111100', holidays=None, busdaycal=None, out=None) Calculates which of the given dates are

RandomState.negative_binomial(n, p, size=None) Draw samples from a negative binomial distribution