| cor.fk | Fast estimation of Kendall's tau rank correlation coefficient |
| covPC | Covariance Matrix Estimation from princomp Object |
| covPCAgrid | Robust Covariance Matrix Estimation |
| covPCAproj | Robust Covariance Matrix Estimation |
| data.Zou | Test Data Generation for Sparse PCA examples |
| l1median | Multivariate L1 Median |
| l1median_BFGS | Multivariate L1 Median |
| l1median_CG | Multivariate L1 Median |
| l1median_HoCr | Multivariate L1 Median |
| l1median_NLM | Multivariate L1 Median |
| l1median_NM | Multivariate L1 Median |
| l1median_VaZh | Multivariate L1 Median |
| objplot | Objective Function Plot for Sparse PCs |
| opt.BIC | Model Selection for Sparse (Robust) Principal Components |
| opt.TPO | Model Selection for Sparse (Robust) Principal Components |
| PCAgrid | (Sparse) Robust Principal Components using the Grid search algorithm |
| PCAproj | Robust Principal Components using the algorithm of Croux and Ruiz-Gazen (2005) |
| PCdiagplot | Diagnostic plot for principal components |
| plot.opt.BIC | Tradeoff Curves for Sparse PCs |
| plot.opt.TPO | Tradeoff Curves for Sparse PCs |
| plotcov | Compare two Covariance Matrices in Plots |
| qn | scale estimation using the robust Qn estimator |
| ScaleAdv | centers and rescales data |
| sPCAgrid | (Sparse) Robust Principal Components using the Grid search algorithm |