[R] how to identify a symbol is defined from which package

Duncan Murdoch murdoch at stats.uwo.ca
Wed Mar 25 11:48:20 CET 2009

hong shen wrote:
> Hi list,
> I encountered a situation that a data frame is defined by two packages. Both of them are loaded by library(). My questions are
> 1. How could I tell the data frame is from which package?


will tell you where it found a variable called theName.
> 2. If I want to reference the data frame from package A insted of B, how can I do it?




will find whichever one you want.

Duncan Murdoch
> Thanks!
> hshen
> ______________________________________________
> R-help at 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.

More information about the R-help mailing list