How directly access S3 method in roxygen2 R package

Question

I\'m writing my first package with roxygen2. The package implements a faster version of pcdtest() from plm package. Thus I call wi

Answer 1

Late, but... Packages don't need to be attached for their registered S3 methods to be available, they just need to be loaded. Therefore, you don't need necessarily to import(plm) (which loads and attaches the package), but just to importFrom(plm, somefunction) (which loads the package, but attaches just this function), any function or symbol declared as export(somefunction) in plm's NAMESPACE.