The RcppEnsmallen package brings to R a Header-Only C++ Mathematical Optimization Library for Armadillo. In particular, Ensmallen is a templated C++ mathematical optimization library (by the MLPACK team) that provides a simple set of abstractions for writing an objective function to optimize. On election day in the United States, the Ensmallen Development Team made available a new version of Ensmallen with a killer new feature: Optimization Summary Reports. From the documentation, we …