CP_SIR                  Counting process based sliced inverse
                        regression model
dist_cross              dist_cross
distance                distance correlation
hMave                   Hazard Mave for Censored Survival Data
kernel_weight           kernel_weight
orthoDr_pdose           orthoDr_pdose model
orthoDr_reg             orthoDr_reg
orthoDr_surv            IR-CP model
ortho_optim             Orthogonality constrained optimization
pSAVE                   Partial Sliced Averaged Variance Estimation
predict.orthoDr         predict.orthoDr
silverman               A simple Silverman bandwidth formula
skcm.clinical           skcm.clinical
skcm.melgene            skcm.melgene
view_dr_surv            2D or 2D view of survival data on reduced
                        dimension
