impute.py 文件源码

def _make_impute_stats(self, x):

        self.mean = mpiops.mean(x)
        cov = mpiops.covariance(x)
        self.prec, rank = pinv(cov, return_rank=True)  # stable pseudo inverse

        # if rank < len(self.mean):
        #     raise RuntimeError("This imputation method does not work on low "
        #                        "rank problems!")