Re: [R] Same results but different functions ?

Dear Michael, Dear Martin, Many thanks for your suggestions. Best, Le lundi 23 mars 2020 à 22:34:41 UTC+1, Martin Maechler a écrit : > Michael Dewey >    on Mon, 23 Mar 2020 13:45:44 + writes:     > The documentation suggests that the rlm method for a formula does no

Re: [R] Same results but different functions ?

> Michael Dewey > on Mon, 23 Mar 2020 13:45:44 + writes: > The documentation suggests that the rlm method for a formula does not > have psi as a parameter. Perhaps try using the method for a matrix x and > a vector y. > Michael or use lmrob() from pkg robustbas

Re: [R] Same results but different functions ?

The documentation suggests that the rlm method for a formula does not have psi as a parameter. Perhaps try using the method for a matrix x and a vector y. Michael On 23/03/2020 12:39, varin sacha via R-help wrote: Dear R-experts, The rlm command in the MASS package command implements several

[R] Same results but different functions ?

Dear R-experts, The rlm command in the MASS package command implements several versions of robust regression, for example the Huber and the Tukey (bisquare weighting function) estimators. In my R code here below I try to get the Tukey (bisquare weighting function) estimation, R gives me an erro