Generalized Synthetic Control Method
How to Uses: Examples
Reference: Yiqing Xu. 2017. "Generalized Synthetic Control Method: Causal Inference with Interactive Fixed Effects Models." Political Analysis, Vol. 25, Iss. 1, January 2017, pp. 57-76. Available at: http://dx.doi.org/10.1017/pan.2016.2
Rcpp, RcppArmadillo and MacOS "-lgfortran" and "-lquadmath" error, see: http://thecoatlessprofessor.com/programming/rcpp-rcpparmadillo-and-os-x-mavericks-lgfortran-and-lquadmath-error/
Installation failture related to OpenMP on MacOS, see: http://thecoatlessprofessor.com/programming/openmp-in-r-on-os-x/
And the r-macos-rtools package is also helpful.