yanxia-zhang/data_analysis

1) To run the code, please install these packages: 

	library(data.table)
	library(jsonlite)
	library(ggplot2)
	library(reshape2)
	library(lsa)

2) The main file is "dataAnalysis.R". To execute, type "Rscript dataAnalysis.R" in the terminal.
Or run it in RStudio.