> -----Original Message-----
> i have to do something in robust regression by R programm ,
> and i have some problems as following:
>
> *the first :*
Afte loading MAS, type 'hubers' (without brackets) and look at the code. That
should give you a clue.
> new psi ( psi.a=r/(1+(r/k)^2)) ,k=1.345 and get on new
> coefficients to the
> model, and, Is all the arguments are necessary ? " i want short code"
>
> again ... *how can i do this ... *
Look at psi.huber (see above for how) and duplicate the code, substituting your
calculation. Then look at the 'psi' argument in ?rlm
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