In general, creating variables while attached leads to problems such as you 
describe. Normally the recommendation is to avoid the use of attach and detach 
entirely in favor of explicit reference to the data frame using [[]], [,], $, 
and the data= argument supported by many functions. 
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Sent from my phone. Please excuse my brevity.

David Arnold <dwarnol...@suddenlink.net> wrote:

>Hi,
>
>When writing a script, I often start with:
>
>library(ISwR)
>attach(thuesen)
>
>Then write some more code, testing it as I write to see if it runs.
>
>Then, at the end, a final:
>
>detach(thuesen)
>
>However, what happens is that I often get errors, which cause an
>attach, but
>no subsequent detach. Now, I can fix the problem at the console window
>with
>several:
>
>detach(thuesen)
>detach(thuesen)
>detach(thuesen)
>detach(thuesen)
>detach(thuesen)
>
>Until they are finally all closed.  Two questions:
>
>1. What is a more efficient method?
>
>2. What is the command again for viewing the global workspace?
>
>D.
>
>
>
>--
>View this message in context:
>http://r.789695.n4.nabble.com/Seeing-Global-Workspace-and-dealing-with-attach-and-detach-tp4659105.html
>Sent from the R help mailing list archive at Nabble.com.
>
>______________________________________________
>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.

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