Hi. Yes I am trying to model such data, and i need R to know that Site is nested within Habitat. Do I use some kind of command before running the model (like factor() and so on) or do i write it in the model formula. If so, how?
Thanks Douglas Bates-2 wrote: > > On Fri, May 29, 2009 at 7:50 AM, DanielWC <daniel.carsten...@gmail.com> > wrote: > >> Hello >> I am working with a biological data including variables called Habitat >> and >> Site, example: > >> Habitat Site > >> Forest Low >> Forest Low >> Forest High >> Forest High > >> I want to tell R that the Site variable is nested within the Forest >> variable >> (that it is not a new variable). >> Does anyone know how to do this? > > If you could explain what you mean by "tell R", it would help. Are > you trying to model such data and you want to know how to express the > relationship between such factors in a model formula? > > ______________________________________________ > R-help@r-project.org mailing list > 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. > > -- View this message in context: http://www.nabble.com/Nested-variables-tp23779402p23813261.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list 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.