data.table, dplyr, ggplot2, lubridate, magrittr, padr, plyr,
RColorBrewer, re2, rlang, rmarkdown, scales, shiny,
shinydashboard, shinyjs, shinyWidgets, stringi, stringr,
tibble, tidyr

c(
person(c("Patrick", "O."), "Perry",
role = c("aut", "cph", "cre"),
email = "pperry@stern.nyu.edu"),
person(c("Finn", "\u00c5rup"), "Nielsen",
role = c("cph", "dtc"),
comment = "AFINN Sentiment Lexicon"),
person("Martin Porter and Richard Boulton",
role = c("ctb", "cph", "dtc"),
comment = "Snowball Stemmer and Stopword Lists"),
person("The Regents of the University of California",
role = c("ctb", "cph"),
comment = "Strtod Library Procedure"),
person("Carlo Strapparava and Alessandro Valitutti",
role = c("cph", "dtc"),
comment = "WordNet-Affect Lexicon"),
person("Unicode, Inc.",
role = c("cph", "dtc"),
comment = "Unicode Character Database"))
Text corpus data analysis, with full support for international text (Unicode).  Functions for reading data from newline-delimited 'JSON' files, for normalizing and tokenizing text, for searching for term occurrences, and for computing term occurrence frequencies, including n-grams.
Patrick O. Perry [aut, cph, cre],
Finn Årup Nielsen [cph, dtc] (AFINN Sentiment Lexicon),
Martin Porter and Richard Boulton [ctb, cph, dtc] (Snowball Stemmer and
Stopword Lists),
The Regents of the University of California [ctb, cph] (Strtod Library
Procedure),
Carlo Strapparava and Alessandro Valitutti [cph, dtc] (WordNet-Affect
Lexicon),
Unicode, Inc. [cph, dtc] (Unicode Character Database)

c(
person("Leslie Huang",
role = c("cre", "ctb"),
email = "lesliehuang@nyu.edu"),
person(c("Patrick", "O."), "Perry",
role = c("aut", "cph"),
email = "pperry@stern.nyu.edu"),
person(c("Finn", "\u00c5rup"), "Nielsen",
role = c("cph", "dtc"),
comment = "AFINN Sentiment Lexicon"),
person("Martin Porter and Richard Boulton",
role = c("ctb", "cph", "dtc"),
comment = "Snowball Stemmer and Stopword Lists"),
person("The Regents of the University of California",
role = c("ctb", "cph"),
comment = "Strtod Library Procedure"),
person("Carlo Strapparava and Alessandro Valitutti",
role = c("cph", "dtc"),
comment = "WordNet-Affect Lexicon"),
person("Unicode, Inc.",
role = c("cph", "dtc"),
comment = "Unicode Character Database"))
Leslie Huang [cre, ctb],
Patrick O. Perry [aut, cph],
Finn Årup Nielsen [cph, dtc] (AFINN Sentiment Lexicon),
Martin Porter and Richard Boulton [ctb, cph, dtc] (Snowball Stemmer and
Stopword Lists),
The Regents of the University of California [ctb, cph] (Strtod Library
Procedure),
Carlo Strapparava and Alessandro Valitutti [cph, dtc] (WordNet-Affect
Lexicon),
Unicode, Inc. [cph, dtc] (Unicode Character Database)