Wickham H (2007). “Reshaping data with the reshape package.” Journal of Statistical Software, 21(12). https://www.jstatsoft.org/v21/i12/.

Corresponding BibTeX entry:

  @Article{,
    author = {Hadley Wickham},
    journal = {Journal of Statistical Software},
    number = {12},
    title = {Reshaping data with the reshape package},
    url = {https://www.jstatsoft.org/v21/i12/},
    volume = {21},
    year = {2007},
  }