numpy.ma.median(a, axis=None, out=None, overwrite_input=False)

numpy.tile(A, reps)

numpy.ma.fromfunction(function, shape, **kwargs) = Construct an array by executing a function over each coordinate.

numpy.ma.hstack(tup) = Stack arrays in sequence horizontally (column wise). Take a sequence of arrays and stack them horizontally

numpy.ma.masked_inside(x, v1, v2, copy=True)

numpy.ediff1d(ary, to_end=None, to_begin=None)

numpy.isclose(a, b, rtol=1e-05, atol=1e-08, equal_nan=False)

RandomState.pareto(a, size=None) Draw samples from a Pareto II or Lomax distribution with specified shape.

numpy.core.defchararray.center(a, width, fillchar=' ')

numpy.ma.maximum_fill_value(obj)