ribeth: Computation of the constant Beta when Chi=Psi.Psi/2 and Psi is the
Huber function
Description
See Marazzi A. (1993), p.97Usage
ribeth(wgt, d = .dFvGet()$ddd, itype = .dFvGet()$ite)
References
Marazzi A. (1993) Algorithm, Routines, and S functions
for Robust Statistics. Wadsworth & Brooks/cole, Pacific Grove,
California. p.97