Expected improvement selection criterion. This transformation produces the expected improvement of the model
predictions (over the current "best" value).
See also
"Practical Bayesian Optimization of Machine Learning Algorithms" (PBO),
https://papers.nips.cc/paper/4522-practical-bayesian-optimization-of-machine-learning-algorithms.pdf
Expected improvement selection criterion. This transformation produces the expected improvement of the model predictions (over the current "best" value).
"Practical Bayesian Optimization of Machine Learning Algorithms" (PBO), https://papers.nips.cc/paper/4522-practical-bayesian-optimization-of-machine-learning-algorithms.pdf