block.true.cov | This function construct a covariance matrix with a block diagonal structure. |
est_delta | This function select the optimal thresholding level delta |
est_sparseCov | This function computes the thresholding sparse covariance/correlation estimator with the optimal threshold level. |
sampleMVN | This function samples MVN based on a given covariance matrix |
thresh_op | This function computes the thresholding sparse covariance estimator for a given threshold level. |