Robust PCA by Projection Pursuit

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Documentation for package ‘pcaPP’ version 1.8-1

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