Results 8 comments of Matthew Henderson

I am also interested. Thanks.

I think the answer is just to create the slot if it doesn't exist.

Personally, I would like to be able to train models without having to also provide a test set. The `Rcpp::Nullable` test set approach seems to be pretty reasonable to me...

Yes, I agree. I think the `Rcpp::Nullable` approach is a good start.

Is the plan to have (roughly) a top-level function per MLPACK executable? http://mlpack.org/docs/mlpack-2.1.1/man.html

I'm working on a new example about RangeSearch http://www.mlpack.org/docs/mlpack-git/doxygen.php?doc=rstutorial.html

Thanks for your feedback. Apologies for not spotting this issue had been raised sooner. I had deliberately hidden the definition of `nil` in the README because I was intending to...