install.packages("stm", repos='http://cran.us.r-project.org')
install.packages("igraph", repos='http://cran.us.r-project.org')
install.packages("servr", repos='http://cran.us.r-project.org')
devtools::install_github("mroberts/stmBrowser",dependencies=TRUE)
install.packages("syuzhet", repos='http://cran.us.r-project.org')
install.packages ("reshape2", repos='http://cran.us.r-project.org')
install.packages("gridExtra", repos='http://cran.us.r-project.org')
install.packages("dplyr", repos='http://cran.us.r-project.org')
install.packages ("plyr", repos='http://cran.us.r-project.org')
install.packages("PerformanceAnalytics", repos='http://cran.us.r-project.org')
install.packages("psych", repos='http://cran.us.r-project.org')
install.packages("cvTools", repos='http://cran.us.r-project.org')