Algorithm [Unnamed algorithm] starting...
R execution commands
options("repos"="http://cran.at.r-project.org/")
tryCatch(find.package("data.table"), error=function(e) install.packages("data.table", dependencies=TRUE))
tryCatch(find.package("reshape2"), error=function(e) install.packages("reshape2", dependencies=TRUE))
tryCatch(find.package("openxlsx"), error=function(e) install.packages("openxlsx", dependencies=TRUE))
tryCatch(find.package("ggplot2"), error=function(e) install.packages("ggplot2", dependencies=TRUE))
tryCatch(find.package("scales"), error=function(e) install.packages("scales", dependencies=TRUE))
tryCatch(find.package("grid"), error=function(e) install.packages("grid", dependencies=TRUE))
tryCatch(find.package("gridExtra"), error=function(e) install.packages("gridExtra", dependencies=TRUE))
tryCatch(find.package("rgdal"), error=function(e) install.packages("rgdal", dependencies=TRUE))
tryCatch(find.package("compiler"), error=function(e) install.packages("compiler", dependencies=TRUE))
tryCatch(find.package("rgdal"), error=function(e) install.packages("rgdal", dependencies=TRUE))
tryCatch(find.package("raster"), error=function(e) install.packages("raster", dependencies=TRUE))
library("raster")
library("rgdal")
# remove all objects to free up the memory (RAM)
rm(list=ls()) # removes all list objects
options(error = utils::recover, scipen = 10) # for debugging purposes & to avoid scientific notation
library(data.table)
library(reshape2)
library(openxlsx)
library(ggplot2)
library(scales)
library(grid)
library(gridExtra)
library(rgdal)
library(compiler)
enableJIT(3) # enables just-in-time (JIT) compilation with argument 3. see ?enableJIT for more information

# Source 4 begins
ogrInfo("states2k/", "states2k")
USstates 
summary(USstates)
plot(USstates)
# Source 4 ends
R execution console output

R version 3.2.0 (2015-04-16) -- "Full of Ingredients"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

Natural language support but running in an English locale

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

options("repos"="http://cran.at.r-project.org/")
tryCatch(find.package("data.table"), error=function(e) install.packages("data.table", dependencies=TRUE))
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
Warning in install.packages("data.table", dependencies = TRUE) :
'lib = "/usr/local/lib/R/site-library"' is not writable
Error in install.packages("data.table", dependencies = TRUE) :
unable to install packages
Calls: tryCatch ... tryCatchList -> tryCatchOne -> -> install.packages
Execution halted
Converting outputs
Loading resulting layers
Algorithm [Unnamed algorithm] finished