Roger Bivand <[EMAIL PROTECTED]> wrote:
On Sun, 13 Nov 2005, Robert wrote:
> It uses FORTRAN code and not in pure R.
The same applies to deldir - it also includes Fortran. So the answer seems
to be no, there is no voronoi function only written in R.
I am curious about one thing: since the reason for using r is r is a
easy-to-learn language and it is good for getting more people involved. Why
most of the packages written in r use other languages such as FORTRAN's code? I
understand some functions have already been written in other language or it is
faster to be implemented in other language. But my understanding is if the user
does not know that language (for example, FORTRAN), the package is still a
black box to him because he can not improve the package and can not be
involved in the development.
When I searched the packages of R, I saw many packages with duplicated or
similar functions. the main difference among them are the different functions
implemented using other languages, which are always a black box to the users.
So it is very hard for users to believe the package will run something they
need, let alone getting involved in the development.
My comments are not to disregard these efforts. But it is good to see the
packages written in pure R.
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