On Sat, 2005-03-26 at 15:27 -0500, John Sorkin wrote: > Does R have a function similiar to the SPlus functoin lmRobMM? > > R 2.0.1 > Linux John, Page 161 of V&R's MASS4 suggests using the rlm() function in the MASS package, which has a 'method = "MM"' argument. So: library(MASS) ?rlm HTH, Marc Schwartz