mr.py 文件源码

def plot(self, data, size, newdata=None):
        assert size == 1
        newvalues = None

        R = np.array([np.nan] + [abs(data[i] - data[i + 1]) for i in range(len(data) - 1)])

        if newdata:
            newdata = data[-1:] + newdata
            n = len(newdata)
            newvalues = [abs(newdata[i] - newdata[i + 1]) for i in range(n - 1)]

        Rbar = np.nanmean(R)

        lclr = D3[2] * Rbar
        uclr = D4[2] * Rbar

        return (R, Rbar, lclr, uclr, self._title)