libraries.R

# these packages were installed with packrat
library('shiny') # 0.14.2 
library('data.table') # 1.9.8
library('ggplot2') # 2.2.0
library('WDI') # 2.4
library('lubridate') # 1.6.0

# these packages are present as dependencies, no need to install separately
library('magrittr') # 1.5
library('stringr') # 1.1.0