PCAgrid                 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
ScaleAdv                centers and rescales data
covPC                   Covariance Matrix Estimation from princomp
                        Object
covPCAproj              Robust Covariance Matrix Estimation
l1median                Multivariate L1 Median
l1median_NLM            Multivariate L1 Median
plotcov                 Compare two Covariance Matrices in Plots
qn                      scale estimation using the robust Qn estimator
