Covariance Matrix Estimators

adaptiveLassoEst()

Adaptive LASSO Estimator

bandingEst()

Banding Estimator

denseLinearShrinkEst()

Linear Shrinkage Estimator, Dense Target

linearShrinkEst()

Linear Shrinkage Estimator

linearShrinkLWEst()

Ledoit-Wolf Linear Shrinkage Estimator

nlShrinkLWEst()

Analytical Non-Linear Shrinkage Estimator

poetEst()

POET Estimator

robustPoetEst()

Robust POET Estimator for Elliptical Distributions

sampleCovEst()

Sample Covariance Matrix

scadEst()

Smoothly Clipped Absolute Deviation Estimator

spikedOperatorShrinkEst()

Operator Norm Shrinkage Estimator, Spiked Covariance Model

spikedFrobeniusShrinkEst()

Frobenius Norm Shrinkage Estimator, Spiked Covariance Model

spikedSteinShrinkEst()

Stein Loss Shrinkage Estimator, Spiked Covariance Model

taperingEst()

Tapering Estimator

thresholdingEst()

Hard Thresholding Estimator

Cross-Validation Functions

cvCovEst()

Cross-Validated Covariance Matrix Estimator Selector

cvMatrixFrobeniusLoss()

Cross-Validation Function for Matrix Frobenius Loss

cvScaledMatrixFrobeniusLoss()

Cross-Validation Function for Scaled Matrix Frobenius Loss

cvFrobeniusLoss()

Cross-Validation Function for Aggregated Frobenius Loss

Plotting and Summary Functions

plot(<cvCovEst>)

Generic Plot Method for cvCovEst

summary(<cvCovEst>)

Generic Summary Method for cvCovEst

is.cvCovEst()

Check for cvCovEst Class