[R] how to identify a symbol is defined from which package
hshen.ca at gmail.com
Wed Mar 25 20:37:32 CET 2009
A::thename works only when thename is exported by the name space A.
A:::thename works only when thename is defined in the name space A.
getAnywhere(thename)$objs$"package:A" always works.
On Mar 25, 6:48 am, Duncan Murdoch <murd... at stats.uwo.ca> wrote:
> 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-h... at r-project.org mailing list
> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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