I Adam,
Have you tried deleting the package files and then reinstalling them from a
different CRAN mirror?


Tal

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On Thu, Dec 9, 2010 at 12:53 AM, Adam Carr <adamlcarr@yahoo.com> wrote:

> Good Evening R-Help Community:
>
> I have attached a file that contains the output from sessionInfo() and a
> summary
> of my Win XP system. I am running R 2.12.0 and using Tinn-R 2.3.6.2 as my
> interface. When I attempt to call either the doBy or coin packages R
> generates
> an error that I do not understand and have so far not been able to resolve
> by
> searching R resources.
>
> I exchanged a couple of emails with Soren Hojsgaard who does not think the
> doBy
> error is directly related to the package itself, and he suggested that I
> post
> this problem for input from others.
>
> When the doBy package is loaded, the following error appears in the Tinn-R
> log:
>
> Error in length(label) : could not find function ".extendsForS3"
> Error: package/namespace load failed for 'doBy'
>
> When the coin package is called, this error appears in the Tinn-R log:
>
> Error in length(sig) : could not find function ".extendsForS3"
> Error: package 'stats4' could not be loaded
>
> No functions in either package work, and when I attempt to call them the
> same
> errors are generated in the log.
>
> Any help or direction would be appreciated.
>
> Thanks very much,
>
> Adam
>
>
>
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> and provide commented, minimal, self-contained, reproducible code.
>
>

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