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
plotcov                 Compare two Covariance Matrices in Plots
qn                      scale estimation using the robust Qn estimator
