methods, splines, survival, stats, matrixcalc, Epi
methods, splines, survival, stats, matrixcalc, Epi,
formula.tools
methods, survival, stats, matrixcalc, Epi, formula.tools
utils, orthogonalsplinebasis, methods, stats, Epi, Formula,
formula.tools, splines, statmod, numDeriv, R.utils, Matrix
relsurv, mexhaz, ggplot2, date, lubridate