Let me restate my question. Is there a straightforward way of ensuring I can use the variable name USDCHF? Is there a straight forward way of ensuring that when I delete a variable by name I delete all copies in scope?
Worik On Tue, Dec 11, 2012 at 11:08 AM, Duncan Murdoch <murdoch.dun...@gmail.com>wrote: > On 12-12-10 4:40 PM, Worik R wrote: > >> When I import the library timeSeries I get (at least) the variable USDCHF >> imported too. >> >> I would like to delete it, but I cannot. As you can see below. >> > > You didn't import timeSeries, you attached it. It is on your search list; > you can see the full list using search(). > > The first item on the search list is .GlobalEnv, the user's global > environment. You can create and delete items there. You can't easily do > so in the other items in the search list, they are essentially read-only. > > > Clearly I am doing something wrong. What is it? >> > > You need to learn more about how R does scoping. I don't think the > description in the Intro to R is sufficient; you probably need the R > Language Definition discussion (or a third party book). > > Duncan Murdoch > > >> library(timeSeries) >>> >> Loading required package: timeDate >> >>> class(USDCHF) >>> >> [1] "timeSeries" >> attr(,"package") >> [1] "timeSeries" >> >>> rm(list=c("USDCHF")) >>> >> Warning message: >> In rm(list = c("USDCHF")) : object 'USDCHF' not found >> >>> rm(USDCHF) >>> >> Warning message: >> In rm(USDCHF) : object 'USDCHF' not found >> >>> class(USDCHF) >>> >> [1] "timeSeries" >> attr(,"package") >> [1] "timeSeries" >> >>> >>> >> I can assign to it... >> >> USDCHF<-NULL >>> class(USDCHF) >>> >> [1] "NULL" >> >>> get("USDCHF") >>> >> NULL >> >>> >>> >> >> Worik >> >> [[alternative HTML version deleted]] >> >> ______________________________**________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >> PLEASE do read the posting guide http://www.R-project.org/** >> posting-guide.html <http://www.R-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> >> > [[alternative HTML version deleted]] ______________________________________________ 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.