Install required packages install.packages(c("rpart"," ", "party", "partykit", "caret", "pROC", "forecast",dependencies = TRUE,repos = " ")) # call packages and load LiBrary(rpart) LiBrary( ) LiBrary(party) LiBrary(partykit) LiBrary(caret) LiBrary(pROC) LiBrary(forecast) install.packages("ggplot2") LiBrary(ggplot2).fix this so that the R file will be compiled