stats, graphics, grDevices, Formula, numDeriv, lpSolveAPI,
methods
testthat (>= 3.0.0), knitr, rmarkdown, sfaR, frontier,
Benchmarking, plm, ggplot2, parallel
testthat (>= 3.0.0), knitr, rmarkdown, sfaR, frontier,
Benchmarking, quadprog, plm, ggplot2, parallel