Hi, On Mon, Apr 19, 2010 at 10:15 AM, Alex Bryant <abry...@i-review.com> wrote: > Hi, for example: > >> x <- Orange >> x2 <- x >> x[1,]$age <- 50 >> x2[1,] > Tree age circumference > 1 1 118 30 > > I would like a way for x2 to also reference the modified x data frame without > having to reassign x2<x each time x is modified.
You can't *really* do this in R, but I believe you can rig up a work around using environments (if you really have to). This SO thread with links is *somehow* related to what you're asking. Perhaps you'll find what you're looking for there: http://stackoverflow.com/questions/2603184/r-pass-by-reference -steve -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.
