fle                     Factor loading error
miss_factor_est         Estimation of tensor factor models with missing
                        data
miss_gen                Assignment of missingness to tensor time series
qMSE                    Quantile relative squared error
refold                  Tensor refolding
sigmaD                  HAC covariance estimator for asymptotic
                        normality on each row j of loading matrix
                        estimator
tensor_gen              Data generation of tensor time series with
                        factor structure
ttm                     Mode k product with matrix
unfold                  Tensor unfolding
