### my base functions

## source all the pacakges necessary
list.of.packages <- c("deSolve", "plyr", "lubridate", "parallel", "tidyr", "doParallel", "foreach","randomForest","rpart",
                      "tidyverse", "gtools", "rgdal", "lsmeans", "lme4", "sf", "mlbench", "rgdal","rgeos")
new.packages <- list.of.packages[!(list.of.packages %in% installed.packages()[,"Package"])]
if(length(new.packages)) install.packages(new.packages)