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. Thanks, Alex -----Original Message----- From: Petr PIKAL [mailto:petr.pi...@precheza.cz] Sent: Monday, April 19, 2010 3:18 AM To: Alex Bryant Cc: r-help@r-project.org Subject: Odp: [R] multiple variables pointing to single dataframe? Hi r-help-boun...@r-project.org napsal dne 16.04.2010 16:15:40: > Hi, I have a need to have 2 variables point to the same dataframe (d1), I What does it mean to point to data frame? Seems to me that it is something from C+. You can reference data frame by $ or by square brackets with as many variables as you want. see ?"[" regards Petr > don't want to simply copy the dataframe ( d2<-d1 ) as my understanding is that > this will create a second dataframe. Any suggestions on best practice here? > > Thank You, > > //************************ > // Alex Bryant > // Software Developer > // Integrated Clinical Systems, Inc. > // 908-996-7208 > > > ________________________________ > Confidentiality Note: This e-mail, and any attachment to...{{dropped:13}} > > ______________________________________________ > 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. ______________________________________________ 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.
