[R] writing R extensions

[Duncan Murdoch]

On 11/4/2008 10:14 AM, micha_ wrote:
> Hi,
> 
> I'm working on a package and got some problems. After I've done R CMD check
> and build I get the package.tar.gz which I can install under Linux without
> any problems. Now I wanted to have a Windows version. I heard that I only
> have to zip the package folder. That worked once, but now the package can't
> be installed. I got 1 warning while I did R CMD check, and this was 1 not
> documented dataset, but it was also already in the old version that worked.
> So is there anything I have to take care of for the Windows version? Or is
> there a way to check what happend. The error message in Windows is this:
> 
>> utils:::menuInstallLocal()
> updating HTML package descriptions
>> library(mask)
> Error in library(mask) :
>   'mask' is not a valid package -- installed < 2.0.0?
> 
> Can anybody help me with this?

Zipping sometimes works, but it's better to use

R CMD INSTALL --build mask

which should always work, if you have the tools installed to run build 
and check.

Duncan Murdoch