graphics, grDevices, methods, shiny, splines, stats, utils
Deriv, devtools, doParallel, fields, foreach, graph,
gridExtra, HKprocess, knitr, markdown, MatrixModels,
matrixStats, mvtnorm, numDeriv, orthopolynom, pixmap, rgdal,
rgl, Rgraphviz, rmarkdown, sn, splancs, spdep