automobile              Automobiles Data
d.boots                 Bootstrap Estimation for Dimension (d) of
                        Sufficient Dimension Reduction Subspaces.
d.test                  Dimension Selection Testing Methods for the
                        Central Mean Subspace.
dsp                     Distance Between Two Subspaces.
hyperPara               Bootstrap Estimation for Hyperparameters.
itdr                    Integral Transformation Methods of Estimating
                        SDR Subspaces in Regression.
mitdr                   Integral Transformation Methods for SDR
                        Subspaces in Multivariate Regression
pdb                     Planning Database (Published in year 2015)
prostate                Prostate Levels
raman                   Raman Spectroscopy
recumbent               Recumbent Cows
