> On Mar 27, 2016, at 9:52 AM, HAMID REZA ASHRAFI via R-help > <r-help@r-project.org> wrote: > > HiI have a set of data with two independent variables, a pretest (covariate) > and posttest (dependent variable).Can anyone help me run robust ANCOVA?If you > wish I can send you the data file.yours > [[alternative HTML version deleted]]
https://cran.r-project.org/web/views/Robust.html help(pac=MASS, rlm) # A starting point perhaps: MASS::rlm( Post ~ pre +IV1 + IV2, data=yourdataframe) -- David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
