[Rd] Snippets from other packages/ License

Barry Rowlingson b.rowlingson at lancaster.ac.uk
Fri Mar 15 11:43:06 CET 2013

On Thu, Mar 14, 2013 at 8:34 AM, Felix Schönbrodt <nicebread at gmx.net> wrote:
> Hello,
> I want to use a function from another package (which is GPL>=3), about 20 lines of code, in my own package.
> I somewhat hesitate to depend on the entire package just for this single function, but of course I want to credit the original authors.
> What would be the best way to do that? Where should I put that credit? Or should I proceed completely different?

 Why so shy about the name and location of this function?

 I think I've seen cases like this before, where a package has a handy
little function that has use outside the context of the package. In
that case I think the best thing is often for that function to be
taken out of that package completely, and put in a new package,
because it isn't so tightly coupled to the aims of the package.

 Obviously this is overkill for one function, but its possible there's
a few functions, or that they are handy enough to belong somewhere
else, such as the plotrix package if its a little plotting function,
or in one of Hadley's packages if it has an underscore in the name.


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