This is a child function (R-wrapper) used in the main functions of this package.
unoCW(X, D, W, Wstar, RS, RSstar, REX, Chat)
time
event indicator (1:event, 0:censor)
Weight used in calculating C
Weight used in calculating C (pertubed version)
risk score
risk score (perturbed version)
Random numbers assinged to each individual for the perturbation-resmapling method
C-statisitc estimated with the present dataset