copula.py 文件源码

def rvs(self, size=1):
        '''
        Generates random variates from the copula.

        Parameters
        ----------
        size : integer, optional
            The number of samples to generate.  (Default: 1)

        Returns
        -------
        samples : array_like
            n-by-2 matrix of samples where n is the number of samples.
        '''
        samples = np.stack((uniform.rvs(size=size), uniform.rvs(size=size)),
                           axis=1)
        samples[:, 0] = self.ppcf(samples)
        return samples