Re: [R] m-estimators

2010-08-09 Thread S Ellison
check the robustbase package and rlm or hubers in MASS You'll need to know which m-estimator you want, but both those packages include at least some m-estimators. Strictly, so does the base package; the mean is an m-estimator. Just not a very robust one! S Ellison >>> Iasonas Lamprianou 06/08/

Re: [R] m-estimators

2010-08-06 Thread Dennis Murphy
Hi: Try (install package sos first if necessary): library(sos) findFn('M-estimator') This produced 34 hits on my machine (not quite as productive as Petr's search :), but it identifies a few packages that contain functions for robust estimation. It's also a good way to get familiar with a very u

[R] m-estimators

2010-08-06 Thread Iasonas Lamprianou
Dear colleagues can somebody help me by showing how we can compute m-estimators in R? thanks Dr. Iasonas Lamprianou Assistant Professor (Educational Research and Evaluation) Department of Education Sciences European University-Cyprus P.O. Box 22006 1516 Nicosia Cyprus Tel.: +357-22-713178 Fa