rBayesianOptimization
Linux/Mac:
Windows: 
Bayesian Optimization of Hyperparameters
A Pure R implementation of Bayesian Global Optimization with Gaussian Processes.
To install:
* the stable version from CRAN:
install.packages("rBayesianOptimization")
- the latest development version:
devtools::install_github("yanyachen/rBayesianOptimization")