book.bib

@article{tm,
  title = {Text Mining Infrastructure in R},
  author = {Ingo Feinerer and
            Kurt Hornik and
            David Meyer},
  year = {2008},
  journal = {Journal of Statistical Software},
  volume = {25},
  number = {5},
  pages = {1-54},
  url = {http://www.jstatsoft.org/v25/i05/}
}

@article{tidydata,
  author = {Hadley Wickham},
  title = {Tidy Data},
  journal = {Journal of Statistical Software},
  volume = {59},
  number = {1},
  year = {2014},
  keywords = {},
  issn = {1548-7660},
  pages = {1--23},
  doi = {10.18637/jss.v059.i10},
  url = {https://www.jstatsoft.org/index.php/jss/article/view/v059i10}
}

@article {loughran2011liability,
author = {Loughran, Tim and McDonald, Bill},
title = {When Is a Liability Not a Liability? Textual Analysis, Dictionaries, and 10-Ks},
journal = {The Journal of Finance},
volume = {66},
number = {1},
publisher = {Blackwell Publishing Inc},
issn = {1540-6261},
url = {http://dx.doi.org/10.1111/j.1540-6261.2010.01625.x},
doi = {10.1111/j.1540-6261.2010.01625.x},
pages = {35--65},
year = {2011},
}

@InCollection{Friedman:2008:EPL:1378240,
 author = {Abelson, Hal},
 title = {Foreword},
 booktitle = {Essentials of Programming Languages, 3rd Edition},
 year = {2008},
 isbn = {0262062798, 9780262062794},
 edition = {3},
 publisher = {The MIT Press},
}