pracma, png, plotrix, oce, utils, stats, graphics, grDevices,
MESS, RColorBrewer, numDeriv, parallel, foreach, doParallel,
rootSolve
png, oce, utils, stats, graphics, grDevices, MESS,
RColorBrewer, numDeriv, parallel, foreach, doParallel,
rootSolve, httr, plotrix, zoo