def spdmapoly(self, w, twosided=False):
        '''ma only, need division for ar, use LagPolynomial
        '''
        if w is None:
            w = np.linspace(0, np.pi, nfreq)
        return 0.5 / np.pi * self.mapoly(np.exp(w*1j))
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/tsa/fftarma.py/ArmaFft.spdmapoly/original