[R] Package creation - require statement?

[Prof Brian Ripley]

On Fri, 18 Dec 2009, Jeff Breiwick wrote:

> All,
>
> I have used package.skeleton, edited the .Rd files and the DESCRIPTON file.
> In one of my package functions I am using RODBC so I have a line of code
> that reads: require(RODBC).
>
> In my DESCRIPTION file I have the following relevant line:
> Depends: R (>= 2.9.0), RODBC
>
> However, when I do a check (Rcmd check my_package_name) I get this warning:
> * checking for unstated dependencies in R code ... WARNING
> 'library' or 'require' calls not declared from:
>  RODBC
> See the information on DESCRIPTION files in the chapter 'Creating R
> packages' of the 'Writing R Extensions' manual.
>
> Does anyone know where I have gone astray? Thank you.

Using require(RODBC): the Depends declaration already loaded RODBC.

> Jeff Breiwick

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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