[R] Warning on R CMD check

[R. Michael Weylandt]

Which version of lubridate do you have on your machine? I don't get
those warnings with the current CRAN version 0.2.6: it looks like
Hadley changed things to avoid that problem just a few weeks ago:
https://github.com/hadley/lubridate/tree/master/R (see the note on
zzz.R)

Michael

On Wed, Jan 18, 2012 at 4:22 PM, David L Lorenz <lorenz at usgs.gov> wrote:
> I am trying to check and build a package that requires another package
> that generates a warning, so the check step never really completes with no
> warnings.
>
> The package uses some routines in the lubridate package, but when the
> lubridate package is loaded for the check, I get these warnings:
>
> Found the following significant warnings:
>  Warning: changing locked binding for '+.Date' in 'base' whilst loading
> 'lubridate'
>  Warning: changing locked binding for '+.POSIXt' in 'base' whilst loading
> 'lubridate'
>  Warning: changing locked binding for '-.Date' in 'base' whilst loading
> 'lubridate'
>  Warning: changing locked binding for '-.POSIXt' in 'base' whilst loading
> 'lubridate'
>  Warning: changing locked binding for '/.difftime' in 'base' whilst
> loading 'lubridate'
>
> Everything else now checks out OK.
>
> Is this a big issue?
> Can I avoid the error by specifically referring to the functions that I
> need instead of loading the library?
> Does the last one cahnge what is specified in the DESCRIPTION file?
>
> Thanks.
> Dave
>
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