| DESP-package | Estimation of Diagonal Elements of Sparse Precision-Matrices |
| DESP | Estimation of Diagonal Elements of Sparse Precision-Matrices |
| DESP_MST | Estimation of DESP using minimum spanning trees |
| DESP_MST_MaxDegreeRoot | MST computation |
| DESP_OLS_B | Estimation of B by ordinary least squares |
| DESP_PEN_grad | Steepest descent algorithm for penalized maximum likelihood estimation |
| DESP_PML | Estimation of DESP by penalized likelihood minimization |
| DESP_RML | Estimation of DESP by likelihood maximization |
| DESP_RV | Estimation of DESP by residual variance |
| DESP_SPT | Estimation of DESP using shortest path trees |
| DESP_SPT_MaxDegreeRoot | SPT computation choosing root a priori as the node of maximal degree |
| DESP_SPT_MaxDegreeRoot2 | SPT - of maximum height equal to 1 - computation choosing root a priori as the node of maximal degree |
| DESP_SPT_MaxWeight | Maximum weighted tree among all shortest path trees computation |
| DESP_SqPartCorr | Squared partial correlations computation |
| DESP_SRL_B | Estimation of the coefficient matrix |
| DESP_Weighted_Graph | Graph representation from the matrix B |
| scsSOCP | solve a second-order cone program using SCS |
| sqR_Lasso | computation of beta that minimize |Y-X*beta|_2 + lambda |beta|_1 (square-root Lasso) |