| adaptiveLassoEst | Adaptive LASSO Estimator | 
| bandingEst | Banding Estimator | 
| cvCovEst | Cross-Validated Covariance Matrix Estimator Selector | 
| cvFrobeniusLoss | Cross-Validation Function for Aggregated Frobenius Loss | 
| cvMatrixFrobeniusLoss | Cross-Validation Function for Matrix Frobenius Loss | 
| cvScaledMatrixFrobeniusLoss | Cross-Validation Function for Scaled Matrix Frobenius Loss | 
| denseLinearShrinkEst | Linear Shrinkage Estimator, Dense Target | 
| is.cvCovEst | Check for cvCovEst Class | 
| linearShrinkEst | Linear Shrinkage Estimator | 
| linearShrinkLWEst | Ledoit-Wolf Linear Shrinkage Estimator | 
| nlShrinkLWEst | Analytical Non-Linear Shrinkage Estimator | 
| plot.cvCovEst | Generic Plot Method for cvCovEst | 
| poetEst | POET Estimator | 
| robustPoetEst | Robust POET Estimator for Elliptical Distributions | 
| sampleCovEst | Sample Covariance Matrix | 
| scadEst | Smoothly Clipped Absolute Deviation Estimator | 
| spikedFrobeniusShrinkEst | Frobenius Norm Shrinkage Estimator, Spiked Covariance Model | 
| spikedOperatorShrinkEst | Operator Norm Shrinkage Estimator, Spiked Covariance Model | 
| spikedSteinShrinkEst | Stein Loss Shrinkage Estimator, Spiked Covariance Model | 
| summary.cvCovEst | Generic Summary Method for cvCovEst | 
| taperingEst | Tapering Estimator | 
| thresholdingEst | Hard Thresholding Estimator |