- [ ] [Rvmmin](https://cran.r-project.org/web/packages/Rvmmin/index.html): for BFGS and L-BFGS-B - [ ] [Rcgmin](https://cran.r-project.org/web/packages/Rcgmin/index.html): for Conjugate gradient - [ ] [dfoptim](https://cran.r-project.org/web/packages/dfoptim/index.html): for Nelder-Mead - [ ] [ucminf](https://cran.r-project.org/web/packages/ucminf/index.html): for BFGS and L-BFGS-B. For unconstrained problems? - [On Best Practice Optimization Methods in R](file:///home/zhengda/Downloads/v60i02.pdf)
Rvmmin: for BFGS and L-BFGS-B
Rcgmin: for Conjugate gradient
dfoptim: for Nelder-Mead
ucminf: for BFGS and L-BFGS-B. For unconstrained problems?
On Best Practice Optimization Methods in R