def filterord(self, chanis=-1, f0=300, f1=None, order=4, btype='highpass', ftype='butter', plot=False): b, a = LFP.filterord(self, chanis, f0, f1, order, btype, ftype) if plot: self.plot(0.31, 0.325, chanis=chanis) self.specgram(0, 500, f1=2000, p0=None, p1=None) return b, a