install.packages("e1071", repos='http://cran.us.r-project.org') install.packages("randomForest", repos='http://cran.us.r-project.org') install.packages('caret', repos='http://cran.us.r-project.org', dependencies = TRUE) install.packages("naivebayes", repos='http://cran.us.r-project.org', dependencies = TRUE) install.packages("car", repos='http://cran.us.r-project.org’) install.packages("iml", repos='http://cran.us.r-project.org’) install.packages("future", repos='http://cran.us.r-project.org’) install.packages("future.callr", repos='http://cran.us.r-project.org’) install.packages("gridExtra", repos='http://cran.us.r-project.org’)